tunnel well meaning in Chinese
轴道污水井
轴隧泄水阱
Examples
- In most cities it will be confined to broad subways or tunnels well lighted and well ventilated , or to high trestles with “ moving - sidewalk ” stairways leading to the top
大多数城市将建造宽阔的地铁或隧道，带有探照灯，安装通风装置；而加高楼梯的脚手架，可使“可移动的人行道”在天桥上运行。