en/ielts/vocabulary/main
main
(自来水、煤气等)总管道，干线
- Difficulté
- 0.55
- Importance
- 0.60
- Type
- VOCABULARY
- Niveau
- IELTS
Exemples
The report found that many of Yorkshire’s water mains needed replacing.
报告中说约克郡的很多自来水总管道需要更换。
a burst gas main
破裂的煤气总管道
en/ielts/vocabulary/main
(自来水、煤气等)总管道，干线
The report found that many of Yorkshire’s water mains needed replacing.
报告中说约克郡的很多自来水总管道需要更换。
a burst gas main
破裂的煤气总管道