Depth of drill hole 钻孔深度
final depth of drill hole 钻孔终孔深度
optimum drill depth of turbo-drill 涡轮钻具合理钻进深度
depth of tap drill 预钻孔深
Depth of vertical drill hole 钻凿垂直孔深
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。
The advantages can ger more clear with the increasing of drill hole depth.
随着钻孔深度的加深,其优势更为明显。
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