改进后，增压站压缩机运行控制效果良好，未出现过喘振现象。
The compressor in booster station operates well and the surge has not appeared after improved.
几个月前我们曾报导过艾泽拉斯大陆出现的随机地振现象，这种地振现象估计是大灾变世界事件漫长前续的一部分。
A couple months ago we reported on seemingly random earthquakes happening around Azeroth. These earthquakes, it was reckoned, are part of the long build up to the Cataclysm world event.
电镀工艺中的封孔、振光、除油、酸洗等工序必须添加缓蚀剂，且低温封孔，以避免过腐蚀。
Corrosion inhibitor must be added in sealing, sanding, degreasing and pickling to avoid over-corrosion, and sealing should be operated at low temperature.
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