由于管道腐蚀的复杂性，掌握腐蚀影响因素的规律很困难。
Because the complexity of pipeline corrosion, it is very difficult to gain factors that affect corrosion.
分析一种船体腐蚀影响下随时间变化的船体结构可靠性计算方法。
A methodology to assess the time-variant reliability of the primary ship structure with hull girder degradation of corrosion is analyzed.
主要是由于冷凝器表面严重积灰堵塞，或者是受腐蚀影响而减弱了换热效果。
The main reason of which is the heat transfer efficiency is weakened by jamming heavily or corroding the surface of the condenser.
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