drilling rigs

同根派生

Disc brake system on drilling rigs.
石油鉆機(jī)盤式剎車制動(dòng)系統(tǒng)。
Calculation of wear life of driving chain on drilling rigs.
石油鉆機(jī)傳動(dòng)鏈條磨損壽命的計(jì)算
AC-SCR-DC mode is the best driving mode for a drilling rig.
DC驅(qū)動(dòng)方式是目前鉆機(jī)最好的驅(qū)動(dòng)傳動(dòng)方式。
Analysis of working characteristics of disc brake system on drilling rigs.
鉆機(jī)盤式剎車系統(tǒng)鉆進(jìn)特性分析
By the same token, the cost of hiring some kinds of drilling rigs is falling.
同樣雇用某些類型的鉆機(jī)成本也在下降。