oil drilling pump的用法和樣例：
例句
- This article proposed one kind of drilling pump that the piston is driven by the ball bearing spiral mechanism.
本文提出的一種鑽井泵是由滾珠螺旋機構來驅動活塞進而驅動泥漿的往複泵。 - The method noted above has significance for guiding hydraulics and pump working condition design in hydraulic orientation.
該方法對於水力定向時的水力參數設計及鑽井泵工況選擇具有指導意義。
