“检修孔”造句
有人在(锅炉的)
检修孔中工作.
Someone is working in the manhole.
在油箱顶部设置
检修孔,以拆卸过滤器和滤清器.
Put a manhole cover on the tank top for removing filters and strainer.
由于(锅炉的)
检修孔里有人在,所以那个司机再也无法前进.
This driver cannot driver any farther because there is a man in the manhole.