sewer brick

The sewer carried wastewater from a home housing one suffering from the disease.

污水沟把一家含有疾病的水带到另一家住宅。

There is neither mud nor water in the gutters.

阳沟内没有污泥，没有水。

She emptied the dirty water into the drain

她把污水倒进阴沟。

He cleared out the drain.

他清除了水沟中的污物。

We dug trenches to drain away the dirty water.

我们开沟排去污水。

sewerage dredger

(敷设污水管用的)挖沟机

a block in the pipe, gutter, drain, etc

阻塞管道、 排水沟、 下水道等的污物

Study on Modified Integrated Oxidation Ditch Wastewater Treatment Process;

新型一体化氧化沟污水处理技术研究

Study on the Wastewater Treatment of Carrousel Oxidation Ditch;

Carrousel氧化沟污水处理技术研究

Analysis and treatment of cracks of oxidation channels of sewage treatment plant;

污水处理厂氧化沟裂缝的分析及处理

Research on Carrousel Oxidation Channel Technology in Sewage Treatment Plant

污水处理厂Carrousel氧化沟工艺研究

Research of ecological oxidation ditch for purifying municipal wastewater

生态型氧化沟对生活污水的净化效果

Overall Treatment Method Study of Wastewater in Dalugou Oil Gathering Station

大路沟集输站污水综合处理方法研究

A/O Oxidation Ditch Sewage Treatment Process and Automation Control

A/O氧化沟污水处理工艺及自动化控制

cover ,drain, cast of iron or steel, for sewge water or similar systems

铸造沟盖,钢或铁制,用于污水、供水或类似系统

Don't rinse the leaves out into the sink: you will clog the drain.

不要将叶子冲洗掉进污水槽，会堵塞阴沟的。

Also banned is the use of roadside ditches for irrigation or drainage purposes.

禁止任意利用公路边沟进行灌溉或者排放污水。

TECHNOLOGY OPERATION PRACTICE AND ANALYSIS OF OXIDATION DITCH FOR KUNMING FIRST SEWAGE TREATMENT WORKS(17)

昆明第一污水厂氧化沟工艺运行实践及分析