drilled-in
| caisson
| drilled in | |
| dril. | 已钻穿的 |
| caisson | |
| dril. | 储气装置 |
| exhib. | 藻井 |
| hydroel.st. | 浮动坞门 |
| hydroel.st. од. | 沉箱 |
| met. | 藻井 |
| oil | 充气浮筒 |
| oil од. | 沉井 |
| space | 浮筒 |
| |||
| 已钻穿的 | |||
| 钻通的 | |||
|
drilled-in : 13 phrases in 5 subjects |
| Bridge construction | 2 |
| Drilling | 2 |
| Engineering geology | 4 |
| Oil / petroleum | 1 |
| Technology | 4 |