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- Some rock is too weak to allow the development of large underground cavities. 一些岩石太脆弱了，不允许发展大面积的地下洞穴。
- complex underground cavity group 复杂地下洞室群
- underground cavity of arbitrary shape 地下任意形状洞室
- Correlation Theory on Environment Design of Underground Cavity 地下空间环境设计的有关理论
- Research on surrounding rock unloading of underground cavity 地下洞室围岩的卸荷研究
- Recently they have laid an underground pipeline. 最近他们铺设了一条地下管道。
- That is actually a cavity in the earth. 那其实是一个地下洞穴。
- The missile is delivered from underground. 这种导弹由地下发射。
- large-scale underground cavities 超大型地下洞室
- They were suspected of underground activities. 他们被怀疑进行地下活动。
- A cavity or hollowed surface, especially of a bone. 腔尤指骨头的腔或凹陷的表面
- Moles stay underground most of the time. 钱鼠大部分时间住在地下。
- The cavity formed by this structure. 盆腔由这种骨骼结构形成的体腔
- He went underground to avoid capture. 他转入秘密工作以免被捕。
- 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。
- Computer analysis model for natural ventilation network of underground cavity group 地下洞室群自然通风网络计算机分析模型
- The mole bored (its way) underground. 鼹鼠在地下挖掘(路)。
- I have a toothache because there is a cavity in one of my teeth. 我牙疼，因为我的一颗牙齿上有个洞。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
