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- The development systems are the adit and pass above 4100m level, and underground shaft under 4100m. 4100m以上选用平硐溜井开拓系统,4100m以下选用盲竖井开拓系统。
- Recently they have laid an underground pipeline. 最近他们铺设了一条地下管道。
- The missile is delivered from underground. 这种导弹由地下发射。
- A slot for a key in the hub or shaft of a wheel. 键槽轮子的毂或轴里的键的沟槽
- They were suspected of underground activities. 他们被怀疑进行地下活动。
- Moles stay underground most of the time. 钱鼠大部分时间住在地下。
- He went underground to avoid capture. 他转入秘密工作以免被捕。
- Flexibility, as in the shaft of a golf club. 弹性,韧性柔韧性,易变性,如高尔夫球棒的柄
- The cavers discovered a vast underground chamber. 探穴人发现了一个地下大洞穴。
- The quickest way to go round the city is by underground train. 在这个城市四处走动最快的办法就是乘坐地铁。
- The mole bored (its way) underground. 鼹鼠在地下挖掘(路)。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
- In rotating, the shaft splashes oil up into the bearings. 当轴旋转的时候就把油溅入轴承。
- A framework to support or strengthen a mine or shaft. 井壁基架用来支承或加固矿井的构筑
- Some miners were trapped underground after the collapse. 塌方后,有些矿工被困在地下。
- A shaft on which a working tool is mounted, as in a dental drill. 心轴用于安装工具的蕊棒,如牙钻蕊棒
- The part of a machine shaft or axle supported by a bearing. 轴颈机械的转动轴或轮轴中由轴承所支撑的部分
- There is an underground car park near the supermarket. 这个超市附近有一个地下停车场。
- An inclined or vertical shaft or passage between levels in a mine. 小暗井矿井里层与层之间倾斜的或垂直的竖坑或通道
- The revolutionist eluded capture for weeks by hiding underground. 那位革命者为避免被捕在地下躲藏了几个星期。