一核电厂主蒸汽管线存在振动和噪声过大，大修时还发现主蒸汽隔离阀闸板存在一定的磨损。
There are over high vibrations and noises of the main steam piping lines of a Nuclear Power Plant. Wear abrasion of the main steam isolation valves was found during the fall outage.
对核电站用两种主蒸汽隔离阀的结构、系统、性能、运行和可检修性进行了分析和比较，为主蒸汽隔离阀的选型提供了参考。
The structure, system, performance, operation, maintenanciability of two kinds of main steam isolation valve (MSIV) are analyzed and compared, which provides reference for the setat type of MSIV.
对核电站用两种主蒸汽隔离阀的结构、系统、性能、运行和可检修性进行了分析和比较，为主蒸汽隔离阀的选型提供了参考。
The structure, system, performance, operation, maintenanciability of two kinds of main steam isolation valve (MSIV) are analyzed and compared, which provides reference for the setat type of MSIV.
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