短語(yǔ)詞組短語(yǔ)cylindrical valve ring gate 圓筒閥valve e gate 閥式澆口filling valve of gate 牐門(mén)充水閥Valve & gate 閥門(mén)及牐門(mén)valve or gate 閥門(mén)Plug Valve Gate repair 鏇塞閥維脩Valve gate nozzle 閥針式噴嘴Steel Valve Gate 鋼牐門(mén)sequential valve gate technology 澆口技術(shù) 返回 valve gate