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