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| 当心; 注意; 提防; 照料〔看〕; 往外看 | |||
| 瞭望; 警戒; 挑选 | |||
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| 钻孔超线为确保隧道的设计断面，并为下一步的钻孔作业创造条件,沿开挖轮廓线钻凿的周边炮孔，其钻孔方向应略向外侧偏斜,使孔底处于设计轮廓线外的钻孔方法。在这种情况下，不易掌握周边炮孔的平行钻孔精度,所以操作时要特别仔细 | |||
| look out: 20 phrases in 11 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| General | 4 |
| International trade | 2 |
| Military | 1 |
| Nautical | 1 |
| Navigation | 2 |
| Shipbuilding | 1 |
| Telecommunications | 1 |
| Textile industry | 4 |
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