The erosion-abrasion, which is one of the main reasons of the leakage of the power-station boiler-conduit-pipe 'contra-flow heating-surface, accounts for 75% or more of the accidents of the boiler.
冲蚀磨损是电站锅炉对流受热面管道泄漏的主要原因之一，占到锅炉事故的75%以上。
2
There is a traffic pattern that we call a contraflow lane.
有一种我们称之为逆流车道的交通模式。
3
The working principle and key parameters of the blade separator were introduced, and tests on the performances of adding the separator on the contra-rotating axial flow fan were carried out.