擋板門(men)(men)(men)(men)(men),隔絕(jue)門(men)(men)(men)(men)(men),風門(men)(men)(men)(men)(men),插板門(men)(men)(men)(men)(men),防(fang)爆(bao)門(men)(men)(men)(men)(men),鎖(suo)氣(qi)器,閥門(men)(men)(men)(men)(men)傳動裝置
生產加工
擋板門(men)(men),隔絕門(men)(men),風(feng)門(men)(men),插(cha)板門(men)(men),防爆門(men)(men),鎖氣器,閥門(men)(men)傳動裝置(zhi)
生產加工