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- The results are helpful for designing and construction of intersection of main tunnel and adit in major highway tunnel. 研究结论对长大公路隧道设计、施工横通道，有一定参考价值。
- Center drift first construction method was adopted in Wushan main tunnel of Fuzhou 961 Civil Air Defence Work,and ground surface deformation was well controlled. 在福州961人防工程乌山主通道工程施工中采用中洞先行的施工方法，地功地控制了地表变形，保证了地表建筑物的正常使用。
- In the first of the main tunnel on the tail of the Doubi, a group of great white stalactites and pegged to the wall, moving it to Siti, silver IMIS will be large, like a lifelike "White Horse. 足下景观扑溯迷离、目不暇接，大有时而如登九天，时而如临地府之感。在第一层主洞尾部的陡壁上，有一组雪白的巨大钟乳石贴壁而挂，它四蹄欲动，银综将耸，恰似一匹栩栩如生的"白马"。
- from inclined shaft to main tunnel 斜井转正洞
- conversion from horizontal adit driving to main tunnel driving 横通道转正洞
- intersection between main tunnel and sub - tunnels 主支洞交叉口
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- Reinforcement for Conduit of Huangcai Reservoir and Its Main Tunnel Opening 黄材水库输水道及其主洞加固
- Crowds thronged the main square of the city. 城里的大广场上挤满了人群。
- The whole school (was) assembled in the main hall. 全校在大礼堂集合。
- The main feature on the program is her song. 那个节目的主要号召物是她的歌。
- Fables often have animals as the main characters. 寓言常以动物为主角。
- A heavy snowfall block the main road. 一次严重的降雪阻塞了主要公路。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- I grasped the main point of the speech. 我领会了这篇演讲的要点。
- The country's main products are gold and cocoa. 这个国家的主要产品是可可和黄金。
- Men and machines poured along the main highways. 人和机动车顺着公路如潮涌而去。
- A main feature of computer virus. 计算机病毒的一种主要特性。
- He arranged his speech under four main heads. 他把发言内容归纳成四个主要方面。
- Sheet in the main sail, a storm in coming! 收回主帆，风暴要来了！
