短語(yǔ)詞組

短語(yǔ)

• Progressive cavity pump well 螺桿泵井
• submersible progressive cavity pump 潛油螺桿泵
• single progressive cavity pump 單螺桿泵
• progressive cavity pump production system 螺桿泵採(cǎi)油系統(tǒng)
• hydraulically -driven progressive cavity pump 液壓敺動(dòng)螺桿泵
• iso -wall thickness progressive cavity pump 等壁厚螺桿泵
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