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[交流] 分析离心式水泵提不上水原因

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    ????????????п?????    ??Щ?????????????δ??????????????????????????????????????δ?????????????????????????????????????????????У?  ??????????????????????????????0.5%??????????????????????????????????????????????????????????????????????????????????е??????????????     ????????????????????????????ù????????????????????????????????????????????????????????Щ?????????????????????????? ???????????????????????????????ù???????治???????????Щ??????????????????????????????????????????????????????????????????С?????????п?????????????????
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一般都要求有备用的,轮换使用的吧。
运行一段时间要加润滑油保养,停机检查连轴器这些部件的。
当你紧握双手,里面什么也没有,当你打开双手,世界就在你手中
2楼2007-05-14 13:45:22
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