短語詞組短語Knife -Gate Valves 閘刀閥Double Knife Slide Gate 雙刀滑板閥Knife type gate valves 刀型閘閥Electric actuator for knife -gate valve 電氣刀門執(zhí)行器閥門knife gate valve 刀型閘閥;閘閥;刀閘閥;插板閥knife gate valves 刀閘閥;進口刀閥Mannual knife gate valve 樣品名稱electric knife gate valve 電動刀型閘閥 返回 knife gate