canned motor pump coupling with inner recirculation pump coupling
工业泵联轴器中英文对照(二) ... cam-vanepump coupling 凸轮转子式刮片泵联轴器 canned motor pump coupling with inner recirculationpump coupling 内循环形屏蔽泵联轴器 canned motor pump coupling with outer recirculationpump coupling 外循环形屏蔽泵联轴器 ...
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