sealed screw pump 密闭式螺杆泵 ; 严密封闭式螺杆泵
oil sealed pump 油封泵
sealed pump 密封泵
oil sealed rotary vacuum pump 油密封式旋转真空泵
hermetically sealed magnetic drive pump 封闭式电磁泵
sealed screw pump coupling 密闭式螺杆泵联轴器
oil-sealed pump 油封泵
rotary oil sealed mechanical pump 旋转式油封机械泵
Rotary oil-sealed pump 回转油垫帮浦
BA series pump sealed the shaft with stuffing, CB series pump sealed the shaft with mechanical seal, the two series pumps have the same parameters, contour and installation size.
BA泵的轴封采用软填料密封，CB泵的轴封采用机械密封，两形式的性能参数、外形及安装尺寸完全相同。
The crux of the matter should proceed from the fundamental and thorough solution to pump in a sealed, overload and other problems, this is a more proactive approach.
问题的关键应该是从根本着手，彻底解决泵在密封、过载等方面的问题，这才是一种较为主动的办法。
Screw pump body and at the same time, each other between the screw and screw and form a sealed chamber, ensure airtight, otherwise there may be liquid backflow from the gap.
同时螺杆与泵体、螺杆与螺杆间又相互形成密封腔，保证密闭，否则就可能有液体从间隙中倒流回去。
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