广州现货供应贝克进口真空泵碳片适合型号VT4系列/T4系列/DT系列4,8,10,16,25,40;贝克进口真空泵叶片适合型号U20/40U70/100U165U190/250U400/630"BECKER真空泵叶片9013290090133000901333009013340090134700901349009013520090137200油回转式真空泵U3.6SAU1.16SAU4.20U3.40SAU4.40U4.70SA/KU4.70F/KU4.100SA/KU4.100F/KU4.165SA/KU4.165F/KU4.190SA/KU4.190F/KU4.250SA/KU4.250F/KU4.400SA/KU4.400F/KU4.630SA/KU4.630F/KDP2.100DP2.100DP2.140DP2.140)