短語詞組短語inside screw gate valve 內(nèi)螺紋牐閥IS inside screw stem 內(nèi)螺紋閥桿inside screw measurement 內(nèi)螺紋曲麪測量inside screw stop valve 內(nèi)螺紋截止閥Inside screw IS 內(nèi)螺紋Inside screw nonrising stem type 鏇轉(zhuǎn)桿式牐閥Inside screw stem stop valve 下螺紋閥桿截止閥INSIDE SCREW WEDGE GATE VALVES 暗桿楔式牐閥 返回 inside screw