 |
| |||
| bridge a gap (between); stop a gap | |||
| stop the gap; stop the gaps; supply the gap; supply the gaps | |||
| fill in the gap; fill in the gaps | |||
| 弥补缺陷: 1 phrase in 1 subject |
| Engineering geology | 1 |
|
| |||
| bridge a gap (between); stop a gap | |||
| stop the gap; stop the gaps; supply the gap; supply the gaps | |||
| fill in the gap; fill in the gaps | |||
| 弥补缺陷: 1 phrase in 1 subject |
| Engineering geology | 1 |