Several of these flow into a branch sewer, which joins first a sub-main and then a main sewer taking it to the treatment plant.
这些街道污水管又相结一条污水支管。此支管与次干管连接，然后经主干管将污水送至污水处理厂。
The plans show the drains and plumbing fixtures, but the plumber figures out how to route the pipes and hook up to the water main and sewer.
计划指出排水沟和排水管固定装置，而管道工则构想如何布置管道和连接到总水管和下水道。
Stranger One: "Hank" : On a street near my house, they have been repairing a faulty sewer main and a slightly older gentleman holds the "SLOW" sign to signal to the cars passing by.
陌生人一号“汉克”：在我家附近的街道上，工人正在维修下水管道，一位稍微上了年纪的绅士为过路的车辆指出“慢行”的标识。
Trimethylamine (TMA) gas is the main gas come from deterioration of fish and one of the major odor gases existing in urban sewer.
三甲胺(TMA)气体是鱼类水产品变质后释放的主要气体，也是城市下水道释放的主要恶臭气体之一。
Global brand of tunnel boring machines used in the construction of metro, railway, road, sewer, water main, penstock, mine access, high voltage cable and telecommunications tunnels.
隧道开挖机的全球知名品牌，适用于地铁、铁路、道路、下水道、水管、水渠、矿场、高压电缆和电信隧道的修筑。
Global brand of tunnel boring machines used in the construction of metro, railway, road, sewer, water main, penstock, mine access, high voltage cable and telecommunications tunnels.
隧道开挖机的全球知名品牌，适用于地铁、铁路、道路、下水道、水管、水渠、矿场、高压电缆和电信隧道的修筑。
应用推荐