短語(yǔ)詞組短語(yǔ)inside screw gate valve 內(nèi)螺紋閘閥IS inside screw stem 內(nèi)螺紋閥桿inside screw measurement 內(nèi)螺紋曲面測(cè)量inside screw stop valve 內(nèi)螺紋截止閥Inside screw IS 內(nèi)螺紋Inside screw nonrising stem type 旋轉(zhuǎn)桿式閘閥Inside screw stem stop valve 下螺紋閥桿截止閥INSIDE SCREW WEDGE GATE VALVES 暗桿楔式閘閥 返回 inside screw