大口径管件
- 网络Sell Stub-end; stub-end

大口径管件
Sell Stub-end
什么意思_英语stub... ... stub-end feeder 短截馈线 Sell Stub-end 大口径管件 stub-end passenger station 尽头式客运站 ...
stub-end
... stub-end freight station 尽头式货运站 stub-end 不带法兰的一端 ; 残端 ; 大口径管件 stub-end turnbuckle 截头松紧螺丝 ...