what is a drill - EAS
查看更多內容
檢視所有 Wikipediahttps://en.wikipedia.org/wiki/DrillA drill is a tool used for making round holes or driving fasteners. It is fitted with a bit, either a drill or driverchuck. Hand-operated types are dramatically decreasing in popularity and cordless battery-powered ones proliferating due to increased efficiency and ease of use. Drills are commonly used in woodworking, … 查看更多內容
Around 35,000 BC, Homo sapiens discovered the benefits of the application of rotary tools. This would have rudimentarily consisted of a pointed rock being spun between the hands to bore a hole through … 查看更多內容
Drills are used in surgery to remove or create holes in bone; specialties that use them include dentistry, orthopedic surgery and 查看更多內容
Some of the main drill bit types are
• twist drill bits - a general purpose drill bit for making holes in wood, plastic, metals, concrete and more 查看更多內容There are many types of drills: some are powered manually, others use electricity (electric drill) or compressed air (pneumatic drill) as the motive power, and a minority are driven by an internal combustion engine (for example, earth drilling augers). … 查看更多內容
Drilling capacity indicates the maximum diameter a given power drill or drill press can produce in a certain material. It is essentially a … 查看更多內容
CC-BY-SA 授權下的維基百科文字Drill Definition & Meaning - Merriam-Webster
https://www.merriam-webster.com/dictionary/drill網頁: to train or exercise in military drill 2 a (1) : to bore or drive a hole in (2) : to make by piercing action drill a hole b : to shoot with or as if with a gun c (1) : to propel (something, …
- 深入了解 drilldrill✕PlayNOUNdrill (名詞) · drills (複數名詞) · the drill (名詞) · oyster drill (名詞) · oyster drills (複數名詞)
- a tool or machine with a rotating cutting tip or reciprocating hammer or chisel, used for making holes.同義字:
- a tool with a rotating tip used by a dentist for cutting away part of a tooth before filling it.
- instruction or training in military exercises:"parade-ground drill"同義字:training · instruction · coaching · teaching · grounding · (physical) exercises · workout · discipline
- intensive instruction or training in something, typically by means of repeated exercises:"tables can be mastered by drill and practice" ·"language-learning drills"
- a rehearsal of the procedure to be followed in an emergency:"air-raid drills"
- informal(the drill)the correct or recognized procedure or way of doing something:"he didn't know the drill"
- a predatory mollusc that bores into the shells of other molluscs in order to feed on the soft tissue.
VERBdrill (動詞) · drills (第三人稱現在式) · drilled (過去式) · drilled (過去分詞) · drilling (現在分詞)- produce (a hole) in something by or as if by boring with a drill:"drill holes through the tiles for the masonry pins"
- make a hole in (something) by boring with a drill:"a power tool for drilling wood"
- make a hole in or through something by using a drill:"do not attempt to drill through a joist" ·"his eyes drilled into her"
- sink a borehole in order to obtain oil or water:"BP has been licensed to drill for oil in the area"
- (of a dentist) cut away part of (a tooth) before filling it:"I didn't like having my teeth drilled, but extractions were worse"
- informal(of a sports player) hit (a shot) hard and in a straight line:"he drilled a right-foot volley into the back of the net"
- subject (someone) to military training exercises:"a sergeant was drilling new recruits"
- (of a person) take part in military training exercises:"the troops were drilling"
- instruct (someone) in something by the means of repeated exercises or practice:"I reacted instinctively because I had been drilled to do just that"
ORIGINearly 17th century: from Middle Dutch drillen ‘bore, turn in a circle’.drill✕PlayNOUNdrill (名詞) · drills (複數名詞)- a machine which makes small furrows, sows seed in them, and then covers the seed with earth.
- a small furrow made by a drill:"sprinkle the seeds along a four foot drill"
- a row of plants sown in a drill:"drills of lettuces"
VERBdrill (動詞) · drills (第三人稱現在式) · drilled (過去式) · drilled (過去分詞) · drilling (現在分詞)- sow (seed) with a drill:"crops drilled in autumn"
- plant (the ground) in furrows:"he drilled 100 acres in eight hours"
ORIGINearly 18th century (as a noun in the sense ‘small furrow’): perhaps from drill.drill✕PlayNOUNdrill (名詞) · drills (複數名詞)- a dark brown baboon with a short tail and a naked blue or purple rump, found in the rainforests of West Africa.
ORIGINmid 17th century: probably a local word. Compare with mandrill.drill✕PlayNOUNdrill (名詞) · drills (複數名詞)- a coarse twilled cotton or linen fabric:"sturdy clothes in drill, denim and linen" ·"top quality cotton drill with reinforced seams"
ORIGINearly 18th century: abbreviation of earlier drilling, from German Drillich, from Latin trilix ‘triple-twilled’, from tri- ‘three’ + licium ‘thread’.資料來源 Oxford Languages - https://www.urbandictionary.com/define.php?term=Drill
網頁2021/4/11 · 1) To murder or otherwise severely injure someone; slang associated with gang violence. Can be used as a verb as a well as a noun. In an American context, it usually …
- https://www.teachingenglish.org.uk/article/drill
網頁A drill is a classroom technique used to practise new language. It involves the teacher modelling a word or a sentence and the learners repeating it. There are different kinds of …
- https://www.britannica.com/technology/drill-tool
網頁drill, cylindrical end-cutting tool used to originate or enlarge circular holes in solid material. Usually, drills are rotated by a drilling machine and fed into stationary work, but on other …
What Is a Drill 的圖片
bing.com/images- https://dictionary.cambridge.org/dictionary/english/drill
網頁drill noun [C] (REGULAR ACTIVITY) an activity that practises a particular skill and often involves repeating the same thing several times, especially a military exercise intended to …
- https://www.britannica.com/topic/drill-military
網頁drill, preparation of soldiers for performance of their duties in peace and war through the practice and rehearsal of prescribed movements. In a practical sense, drill consolidates …
What is Drilling?- Definition, Process, and Tips
https://www.engineeringchoice.com/what-is-drilling網頁2021/10/14 · Drilling is a cutting process that uses a drill bit to cut a hole with a circular cross-section in solid materials. The drill is usually a rotating cutting tool, often multi …
- https://en.wikipedia.org/wiki/Drill_music
網頁Drill is a subgenre of hip hop music that originated in Chicago streets in the early 2010s. It is sonically similar to the trap music subgenre and lyrically similar to the gangsta rap …
- https://www.thespruce.com/how-to-use-a-power-drill-1825112
網頁2022/9/23 · A power drill is a tool with an electrical motor that rotates a replaceable drill bit at your choice of speeds to create a hole in a variety of materials. The drill can also take …
- 查看更多內容
