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定向钻井 dìngxiàng zuànjǐng
dril. controlled-angle drilling; controlled directional drilling; inclination drilling
oil directed drilling; directional drilling
定向钻井打钻 dìngxiàng zuànjǐng
manag. controlled-angle drilling
定向钻井
: 32 phrases in 4 subjects
Drilling21
Geophysics2
Navigation1
Oil / petroleum8