This paper designs the compositive valves which components of fill oil valves and lock valves, closed oil tank and device connector.

本文对系统的吸排阀和锁阀组成的集成阀块、密闭油罐及直驱式系统的其它连接部件进行了结构设计。

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Threaded seat rings for valves in services with high velocity turbulent flow or thermal cycling should be lock welded to the body to avoid loosening. Please specify.

如果阀门用在高速流体(湍流)或热循环应用环境中，则螺纹阀座环应该锁焊到阀体上，避免松落。请在订购时加以指定说明。

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Gates and valves are the major engineering structures in the lock.

船闸闸门和阀门是船闸工程中的主要建筑物。

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