Seawater wet-dry cycling is a common corrosion condition in the ocean industry, such as water ballast tank condition.
在海洋环境中，有许多的金属构件经常处于海水干湿交替状态下，如船舶压载水舱。
Mastering the air flow and heat transfer condition in engine compartment of tank is an essential precondition for designing engine device, transmission device and cooling system rationally.
掌握坦克动力舱内空气流动与传热状况，是合理设计其动力装置、传动装置和冷却系统的必要前提和重要环节。
The condition and objective ofinjecting nitrogen into the cleaned tank is described especially.
特别地说明了向清洗罐内注入氮气的条件和目的。
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