您要查找的是不是：
- 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。
- 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。
- The cavers discovered a vast underground chamber. 探穴人发现了一个地下大洞穴。
- Water can be purified by filtration through sand. 水通过沙滤可以变清。
- 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。
- underground filtration field 地下过滤场
- underground filtration 地下过滤
- Some miners were trapped underground after the collapse. 塌方后，有些矿工被困在地下。
- There is an underground car park near the supermarket. 这个超市附近有一个地下停车场。
- Do you have a water filtration system? 你有自来水过滤器吗?
- 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。
- Install proper filtration on pump inlet plumbing. 在进口处安装过滤器。
- He joined the underground to fight against the fascists. 他参加了地下组织与法西斯作战。
- Edits the selected attachment filtration mask. 编辑所选附件过滤关键字。
- I used to go to work by underground when I was in London. 我在伦敦时，通常乘地铁上班。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
