CombiLine WD 440，配 Duo 125 两级旋片泵和 Okta 500 罗茨泵

check_circle 抽气原理: 油润式 <span class="material-icons icon__material icon--paragraph accordion__icon variant-selection__expand-icon--off" data-v-901f5dd3>edit_off

check_circle 罗茨真空泵: Okta 500 <span class="material-icons icon__material icon--paragraph accordion__icon variant-selection__expand-icon--off" data-v-901f5dd3>edit_off

check_circle 备用泵: Duo 125 <span class="material-icons icon__material icon--paragraph accordion__icon variant-selection__expand-icon--on" data-v-901f5dd3>edit

check_circle 连接法兰（入口）: DN 100 ISO-F <span class="material-icons icon__material icon--paragraph accordion__icon variant-selection__expand-icon--off" data-v-901f5dd3>edit_off

Recommended Accessories for CombiLine WD 440，配 Duo 125 两级旋片泵和 Okta 500 罗茨泵 <span class="material-icons icon__material icon--paragraph accordion__icon" data-v-901f5dd3>expand_less