升降式止回阀国标型400H44H64全套CAD图纸 400H44H64-00总装配图.dwg(85.19KB)，400H44H64方案图.dwg(94.38KB)，400H44H64-07阀盖.dwg(60.25KB)，400H44H64-06垫片.dwg(34.06KB)，400H44H64-05支架.dwg(44.78KB)，400H44H64-04垫圈.dwg(33.06KB)，400H44H64-03摇杆.dwg(50.78KB)，400H44H64-02阀瓣.dwg(45.28KB)，400H44H64-00明细表.dwg(35.06KB)，400H44H64-01阀体.dwg(104.09KB)