定向钻孔穿越
directionally drilled crossing
深孔定向钻进
long borehole directional drilling
车载式钻孔架
truck mounted drilling rig
电势定向式矢量控制
Electromotive force orientation vector control
分量式钻孔应变
Componential-type borehole strain
component borehole strain
分量式钻孔应变仪
component borehole strainmeter