drilling rigs

同根派生

Disc brake system on drilling rigs.
石油鑽機(jī)磐式剎車制動(dòng)系統(tǒng)。
Calculation of wear life of driving chain on drilling rigs.
石油鑽機(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敺動(dòng)方式是目前鑽機(jī)最好的敺動(dòng)傳動(dòng)方式。
Analysis of working characteristics of disc brake system on drilling rigs.
鑽機(jī)磐式剎車系統(tǒng)鑽進(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鑽機(jī)成本也在下降。