["屏蔽된 泵叶轮 r, rs; t; uv 어떻게 구분하나?"
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[". 이 문제에 대해 가르쳐 주시면 감사하겠습니다!
泵的说明书里应该有介绍，哪家的泵
大连帝國의 泵说明书里我没有找到，所以才有此一問。
r-119-116 s---11 s; t-3-5 mm s; v--5 mm
. �帝國电机早期叶轮代号 现在已经很难通过叶轮代号区分了 只能是大概这个尺寸"
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