optimum drill depth 合理钻进深度
optimum drill depth of turbo-drill 涡轮钻具合理钻进深度
depth of drill 钻孔深度
depth drill 则使用深孔钻
depth of tap drill 预钻孔深
drill pipe rated depth 钻杆允许下深
Rock drill hole depth 岩孔深度 ; 凿孔深度
Depth of vertical drill hole 钻凿垂直孔深
Along with sensitive seismographic equipment, GEMS will drill down about 20 ft. (6 m) with a thermometer-equipped probe, trying to figure out how quickly the temperature rises with depth.
除了备有灵敏的地震仪,地球物理监测站还将会使用一个装有温度计的探测器钻入地下20英尺(6米)以尝试着计算出温度随深度增加而升高的速度。
Can you take a stainless cane with 3 mm in diameter and drill a hole of 2 mm alongside the cane at the depth of 3 cm?
你能否用一根直径为3 mm的不锈钢棒,在旁边钻出一个直径为2 mm、深度为3 cm的孔?
Regardless of size, the main job of the contractor is to drill a hole to the depth and specifications set by the operating company.
无论大小,承包商的主要工作是按经营公司设计的深度和规格钻一个孔。
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