井口词语解释 / 井口是什麽意思
井口是井筒与地面连接的部位。
1. hole top
2. well top
3. collar
4. hole mouth
5. mine mouth
6. pit brow
7. pit mouth
8. top of well
9. well head
10. bradenhead
井口是井筒与地面连接的部位。
1. hole top
2. well top
3. collar
4. hole mouth
5. mine mouth
6. pit brow
7. pit mouth
8. top of well
9. well head
10. bradenhead