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。
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.
指出了主动式超声波检测在机械密封中应用的可行性，及其良好的前景。
The feasibility and prospect of ultrasonic monitoring technique is fingered out at last.
指出了主动式超声波检测在机械密封中应用的可行性，及其良好的前景。
The feasibility and prospect of ultrasonic monitoring technique is fingered out at last.
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