service gate

Swipe your MetroCard, turn the turnstile and enter through the service gate.

刷一下您的卡, 把旋转门,进入门的服务.

Gate valves are normally used for on off service . They are not recommended for throttling service.

闸阀通常用于启闭应用场合. 不适用于节流应用场合.

Crane gate valvesultimate in dependable service for steam, air, gas, oil, oil vapor, and pressure installations.

美国克雷恩闸阀能够可靠稳定的应用在蒸汽 、 空气 、 煤气 、 油 、 油气和高压等应用场合.

Gate valves are normally used for on off service and are not recommended for throttling service.

闸阀通常用于启闭应用场合,不建议用于节流应用.

Set the gate guard service, to welcome guest for18 hours M.

设门卫应接员，18小时迎送客人。

Enter and exit through station service gate.

进出站的服务，通过大门。