breaking of a rod
常見例句
- Specializing in all kinds of excavator drill rod and accessories production, and undertook a variety of excavators breaking hammer home repair.
專門從事各類挖掘機釬桿及配件生產(chǎn)，并承接國內(nèi)外各種挖掘機破碎錘修理。 - In the light of the frequent breaking of the rod string in a surface driven screw pump well, the force condition of the string in the well is analyzed by means of the elastoplasticity theory.
針對井口驅(qū)動螺桿泵抽油桿柱斷脫頻繁的問題，應用彈塑性理論分析了抽油桿柱在井中的受力狀況。 返回 breaking of a rod