短語詞組短語plug in valve [機]插裝式閥swivel plug globe valve 轉(zhuǎn)塞球閥plug diverter valve 分流旋塞閥plug gate valve 塞型閘閥;塞型;塞形閘閥plug gingested valve 塞型閘閥plug ghad valve 塞型閘閥Gland packing plug valve 填料式旋塞閥;填料式positioned plug valve 定位旋塞閥;定位式旋塞閥Plug disc throttle valve 塞形閥瓣節(jié)流閥 返回 plug valve