用“drainage pump”造句大全，drainage pump造句
Abstr: Proposed to high voltage frequency converter used in the coal mine gas drainage pump system, trying to reduce the gas leaks, pour out the problem.
This paper introduces the replacement from domestic micro Luquan drainage pump to import ELISA system drainage pump, thus to extend the service life of ELISA system and reduce the burden of engineers.
Designed for air conditioning condensate water applications specially designed centrifugal drainage pump.
The problems existed in power supply of fire equipments for drainage pump in basement were analyzed, and the ways to solve them were also proposed.
In order to solve the problem of pollution in confluence drainage system, which is caused by initial rainwater, setting storage pond under the drainage pumping station is a effective measure.
