shutoff valve的用法和样例：
例句
- Grease Injector at Seat Ring and Disc of Globe Valve.
截止阀的阀座环和阀瓣上的润滑油注入器。 - Globe valves are usually installed with the inlet below the valve seat.
安装截止阀时，通常把进口安装在阀座下方。 - The standby rudder shutoff valve is also opened when the standby hydraulic pump is automatically turned on.
当备用液压泵自动工作时，备用方向舵截流阀也同时打开。
词汇搭配
- shut off 关掉
