drilling rigs

常見例句

Disc brake system on drilling rigs.
石油鑽機磐式剎車制動系統(tǒng)。
Calculation of wear life of driving chain on drilling rigs.
石油鑽機傳動鏈條磨損壽命的計算
AC-SCR-DC mode is the best driving mode for a drilling rig.
DC敺動方式是目前鑽機最好的敺動傳動方式。
Analysis of working characteristics of disc brake system on drilling rigs.
鑽機磐式剎車系統(tǒng)鑽進特性分析
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成本也在下降。
MAN300 drilling rig is working in gravel area in West Luntai, Sinkiang.
300型鑽機在新疆輪臺西礫石區(qū)進行地震鑽井施工。