×
drilling pillar
meaning in English
手摇钻柱架
Examples
Specification for engineers ' ratchet braces and
drilling pillars
工程用棘轮摇钻及钻柱规范
Related Words
pillar method
pillar stiffener
coral pillar
pillar operation
bringback pillar
built pillar
hollow pillar
sun pillar
granite pillar
draw pillars
drilling philosophy
drilling pile
drilling pipe
drilling pipe in rotation
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