guide stem中文什么意思

例句与用法

1. Series 415 steam safety valves feature a stainless steel spring , a top guided stem and non - stick teflon ? disc to metal seating to assure positive shutoff
   系列415蒸汽安全阀配置不锈钢弹簧，一个顶部引导阀杆和不卡住特氟隆阀瓣对金属阀座密封，确保绝对关闭。
2. To assure trouble - free check valve operation and shutoff operation , the valve should be periodically opened and closed to keep valve seat and valve disc guide stem free of build up of system contaminants
   为了确保无故障止回阀运行和关闭运行，阀门应该定期开启和关闭，以保持阀座和阀瓣引导阀杆避免系统污染物淤积。
3. Steel and plastic composite pipe production line is mainly used in producing steel - plastic composite pipe and other composite pipe material . the produced composite pipes are widely used in indoor decoration , decoration , curtain guiding stem , flag pole , clothes - rack and others
   钢塑复合管生产线主要用于生产钢塑复合管及其它复合管材，生产的复合管广泛用于室内装饰装璜窗帘导杆挂衣架旗杆等各类装饰用管。