relay valve top cover 继动阀顶盖
valve top cap 气门顶帽
Valve top coupling 开闭阀顶部连接
top relief valve 锅顶放气阀
GERMAN TOP CHECK VALVE 德国进口内螺纹止回阀
top valve 顶阀
TOP VALVE INDUSTRIAL CO 台湾托普阀门有限公司
furnace top valve 炉顶阀门
Extension Assembly in precut lengths. Use exiting valve top Access Plug.
预先切割长度的加长组件总成。采用现存阀门顶部进入塞。
Mint seems to relax the muscle that keeps the valve at the top of the stomach clamped down, increasing the odds of reflux.
尽管薄荷糖看起来能够放松肌肉,保持胃部顶端的阀门关闭,增加回流的几率。
Valves with this option have a hand wheel mounted on top of the actuator for manual valve operation.
配置这种备选件的阀门在执行器顶部安装一个手轮用于手动阀门操作。
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