这种总成应该是完整的,包括紧密关闭弹性阀座关闭阀(闸阀),测试旋塞,以及建议配置的一个过滤器。
It shall be a complete assembly including tight-closing resilient seated shutoff valves, test cocks, and a strainer is recommended.
这种总成应该是完整的,包括紧密关闭弹性阀座关闭阀(闸阀),测试旋塞,以及建议配置的一个过滤器。
It shall be a complete assembly including tight-closing resilient seated shutoff valves, test cocks, and a strainer is recommended.
应用推荐