L50-25L尾气加氢C-501A循环氢往复压缩机检修备件计划中国石油化工股份有限公司茂名分公司填料环\2D3.5(Y97). 2D3.5(Y97).31A-00/B03填料环\2D3.5(Y97). 2D3.5(Y97).31B-00/B02活塞环\2D3.5(Y97) SR02123XXHY61/PTFE阻油环\2D3.5-3.9/24-32 Φ45/4F-4刮油环\2D3.5-3.9/24-32 Φ45/ZCuSn5Pb5Zn5切向环\2D3.5-3.9/24-32 Φ45X7.5/4F-11填料环\2D3.5(Y97) 2D3.5(Y97).31C-00/B01支承环\2D3.5(Y97) SR56123XXHY61/PTFE
2025-08-12