Flange gaskets and sheet jointings的意思|示意
美 / /
英 / /
法兰垫圈和板接头
Flange gaskets and sheet jointings的网络常见释义
无石棉切割垫片 ...和金属环 Metallic gaskets and ring joints · 无石棉切割垫片 Flange gaskets and sheet jointings · 压缩盘根 Compression packings for pumps and valves ..