竖井的例句（竖井在句子中的用法）

• Shafts were sunk, with tunnels dug laterally. 竖井已经打下，并且挖有横向矿道。
• For example , the Capacity of Jet Fanin tunnel flux distribution and resistance loss in the chimney. 重点研究了射流风机在隧道内的的调压性能, 竖井三通的气流分布以及局部阻力损失.
• The construction technique involved a combination of well - type diggings linked by underground tunnels. 坎儿井是由一组暗渠连接的竖井构成.
• ...the site where Stephenson sank his first mineshaft... 斯蒂芬森挖掘第一口竖井的地方