double channel impeller pump
... 双缸蒸汽直动泵 duplex steam pump 双流道叶轮泵 double channel impeller pump 双曲线式螺杆泵 hyperbolic screw pump ...
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double channel impeller pump 双流道叶轮泵; 双路式叶轮泵 double impeller pump 双流道叶轮泵 double-channel impeller pump 双路叶轮泵 .
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短语
双流道叶轮泵联轴器
double channel impeller pump coupling
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