炼油四部加氢C4101A配件中科(广东)炼化有限公司二级支承环\4M50-31/20-132-BX 4M50(88)22-04二级活塞环\4M50-31/20-132-BX 4M50(88)22-05三级活塞环\4M50-31/20-132-BX 4M50(88)23-04三级活塞环\4M50-31/20-132-BX 4M50(88)23-04三级支承环\4M50-31/20-132-BX 4M50(88)23-03三级支承环\4M50-31/20-132-BX 4M50(88)23-03填料组件\4M50-31/20-132-BX 4M50(88).33-26/PTFE减压环\4M50-31/20-132-BX 4M50(88).33-15/CU填料组件\4M50-31/20-132-BX 4M50(88).33-12/PTFE减压环\4M50-31/20-132-BX 4M50(88).32-15/CU填料组件\4M50(88)-31/20-132-BX 4M50(88).32-12/PTFE一级支承环\4M50-31/20-132-BX 4M50(88)21-03一级活塞环\4M50-31/20-132-BX 4M50(88)21-04填料组件\4M50-31/20-132-BX 4M50(88).32-26/PTFE
2026-03-26