non-rising stem valve

例句：

1. 1. The non-rising stem valve is used in theoil and gas industry to prevent leaks.
   非升式阀芯在石油和天然气行业中用于防止泄漏。
2. 2. The engineercarefully inspected the non-rising stem valve before installingit.
   工程师仔细检查了安装前的非升式阀芯。
3. 3. The non-rising stem valve wasdesigned to be more durable thantraditional valves.
   非升式阀芯的设计比传统阀门更耐用。