check_circle抽气原理: 油润式edit_off
check_circle罗茨真空泵: Okta 250edit_off
check_circle备用泵: 2x Duo 65edit
check_circle连接法兰(入口): DN 63 ISO-Fedit_off
Recommended Accessories for CombiLine WS 245 W2D,配 Duo 65 两级旋片泵和 Okta 250 罗茨泵expand_less
310VEP063-02
PT 440 950 -T