氣(qi)(qi)動襯(chen)膠(jiao)蝶閥(材質(zhi)碳鋼襯(chen)膠(jiao)、帶手輪、配氣(qi)(qi)缸、帶電(dian)磁閥、限位(wei)開關(guan)、氣(qi)(qi)源三聯件)