drill around 中文意思是什麼
drill around
解釋
繞事故鉆具鉆理-
We will hold a fire drill around 9 : 30 this saturday, 12 / 4 / 2004
我們將于本周六?十二月四日上午九點三十分舉行消防演習。 -
A better job be done especially in the initial phases of the drill, as many fire fighters were observed standing around doing nothing and the " golden hour " was slipping away very fast for the victims
在演習的開始階段需要更好工作，許多消防員被發現在現場周圍站著無事可做，讓對于受難者來說的"黃金時間"很快的溜走了。 -
A better job be done especially in the initial phases of the drill, as many fire fighters were observed standing around doing nothing and the “ golden hour ” was slipping away very fast for the victims
在演習的開始階段需要更好工作，許多消防員被發現在現場周圍站著無事可做，讓對于受難者來說的「黃金時間」很快的溜走了。 -
Designning well tube and drill - hole diameter in order to increase thickness of both annular packing gravel and water - resisting clay, nylon net packing around well tube filters, designing filter layer on the boundary between packing gravel and water - resisting clay and ramming the gravel by working the piston into the well after gravel packing completion and the filling clay for salt - water resisting etc. we succeeded in constructing 3 drinking - water wells in minqin county, proved the affectivity and feasibility of using it and giving a certain technical demonstration of construction of drinking - water well in the same similar to this area
通過孔徑與管徑的調配設計，增大環狀粒料層和止水粘土層的厚度；濾水管外包尼龍紗網；粒料與止水粘土接觸界面上設計反濾層；填粒后先行拉活塞利用水力夯實粒料層，再投粘土球止掉上部鹹水等措施，在民勤縣三口人飲水井施工中取得顯著效果，證明了該套成井工藝的有效性和可行性，有望為同類地區人飲水井施工提供技術示範作用。 -
This process could be speeded up by wrapping a cord around the drill and pulling on each end
這個過程可以通過系一條繩索在鉆子上並在兩端不停的拉來加速。 -
We will hold a fire drill around 9 : 30 on 12 / 4 / 2004. teachers, please check the fire escape route posted in your classroom, and have your class follow that route during the drill
我們將於十二月四日上午九點三十分舉行消防演習。疏散路線圖已張貼于各教室內，請教師們參閱，並於演習時，按指定的出入口疏散。
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