短語詞組短語air r cylinder valve 氣筒閥Air to Cylinder Valve 關閉空氣入釜閥air cylinder valve gland 氣筒閥壓蓋air cylinder operated valve 氣壓缸操作閥air cylinder valve bonnet 氣筒閥帽罩air cylinder valve stem 氣筒閥桿air cylinder valve plug 汽缸閥塞;氣筒閥塞air cylinder valve delivery tailpane 氣筒閥輸送尾面AIR CYLINDER OPERATED BALL VALVE 氣缸控制球閥 返回 air cylinder valve