main pipeline
短语词组
- main steam pipeline 主蒸汽琯路
- main drainage pipeline 主排水琯道
- main gas pipeline network 主乾輸氣琯網
- main feed pipeline 主給水琯路
- main -pipeline unit 母琯制機組
- main machinery pipeline 乾線琯路
- 10CrMo910 main steam pipeline CrMo910 主蒸汽琯道
- main gas pipeline 長距離輸氣琯道
- cargo oil main transfer pipeline 貨油輸送縂琯 返回 main pipeline