From experience, many customers recognize the concern about motor overheating but fail to understand the concern about prevention of vortexing and the associated pump damage that can occur.

经验告诉我们，许多用户都能够认识并注意电机过热问题，但是往往不了解并忽视防止涡流及其可能引起的泵故障。

youdao

Adopt the sand-proof structure design for the whole water pump, bring down the damage to pump itself.

水泵整体采用抗沙性结构设计，降低了水井沙子对水泵的损坏程度。

youdao

A sophisticated triple mechanical seal system prevents leakage of the pumped fluid whilst highly polished pump internals minimize damage to the forming polymer chains.

三道机械密封防止介质的泄漏，同时泵内部的高度抛光降低了对形成的聚合物链的损害。

youdao

Engineers determined there was nothing to lose by installing a new pump, despite the lack of visible damage to the old one.

WSJ: Spacewalkers Replace Space Station Pump

But this year the gates will remain closed, with the long periods of freezing weather over the winter blamed for damage to the drains and pump house.

BBC: Brynamman Lido sunk by ?20,000 repair bill

Three more people were arrested at the pump house area of the plant on suspicion of aggravated trespass and criminal damage, police said.

BBC: NEWS | UK | England | Kent | Protesters end power plant action