由于泵站出站止回阀的作用，长输管道水击过程中会出现同步现象。
Under the effect of check valve, synchronization phenomenon is caused in the process of water hammering in long distance pipelines.
由于阀瓣的关闭行程缩短及弹簧作用可加速关闭效果，减少水锤及水击声。
The disc's shutoff stroke is very short and under the effect of the spring, the valve can close quickly and prevent the big noise from water-hammering.
对地面裸管铺设、用普通连接器连接的DN100机动管线进行实验研究，探讨机动管线在不同水击压力作用下，管线系统的振动情况。
The experiment is done to study DN100 field pipeline surface-laid and coupled by common groove adapters to discuss the vibrating ease of field pipeline system in different water hammer pressure.
对地面裸管铺设、用普通连接器连接的DN100机动管线进行实验研究，探讨机动管线在不同水击压力作用下，管线系统的振动情况。
The experiment is done to study DN100 field pipeline surface-laid and coupled by common groove adapters to discuss the vibrating ease of field pipeline system in different water hammer pressure.
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