氣(qi)動(dong)雙(shuang)閘(zha)板閘(zha)閥(材質碳鋼、法蘭連(lian)接、配(pei)(pei)雙(shuang)作(zuo)用或單作(zuo)用氣(qi)缸、選配(pei)(pei)氣(qi)動(dong)附件(jian))