The workmen excavated a hole in the wall to let the sewage pipe pass through.

工人们在墙上掘了个洞让污管通过。

The field trials indicate that the demulsifier chemical can effectively demulsify c...

应用除油剂除油污达到回注指标,直接经济益显著。

We shall have to dig under the river to lay the sewage pipe.

"为了铺设污管道,我们必须在河床下面开一条通道。"

Just before an election, politicians really start to sling mud at each other.

选前夕，政客们开始互相泼污。

By pre aeration in tanyard wastewater, the effect of primary settling improves obviously.

制革污采用预曝气处理，提高初沉池沉淀。

The sewage pipes were choked with rubbish.

垃圾阻塞了污管道。

They city needs a new sewage disposal system.

这个城市需要一套新污处理系统。

The discharge of hold-washings and other residues by vessels carrying noxious or corrosive goods must be conducted in compliance with the state provisions for vessel sewage discharge and shall be truthfully recorded in the logbook.

载运有毒、含腐蚀性货物船舶，排放洗仓和其他残余物，必须按照国家有关船舶污排放规定进行，并如实地记入航海日志。

The experimentation inspected the infection of hydraulic load, organic load, ammonic nitrogen load, the ratio of gas and water, the height of filling to removal efficiency of COD and ammonic nitrogen.

本试验以自配生活污为试验用,考察了力负荷、进有机负荷和氨氮负荷、气比、填料层高度对曝气生物滤池处理COD和氨氮影响。

The system not only can be applied in the treatment of electroplate acidulated sewage but also in the effective measurement and control of acidulated sewage and sewage containing other pe...

本系统不仅能对电镀含酸污进行处理，对其它行业含磁污或含有其它有害成份污也能进行有测量和控制。

The species of microzoon observed in oxidation ditch have totalled 56 kinds since Handan WWTP operation, and the paper supplies dominant species of microzoon in ditch under normal operation.

本文总结了邯郸市东污处理厂氧化沟工艺自运行以来沟中所出现微型生物共计56种,并提供了正常运行条件下,微型生物优势种群。

The method for determine sewage's chroma is method of dilution multiple.It's easy to bring in error when using eyes to determine the diluted sample is whether achromatism or not.

污色度测定一般采用稀释倍数法,该方法在用人眼判定稀释样是否接近无色时容易引起误差。

The drawing method for the double channel impeller is studied.It is found that there is an in-conformity between the dimensions of plane-view and pinacoid-view of fluid cross-section.

摘要研究了双流道污泵叶轮常用图纸表达方法，发现平面图上断面投影结与轴面图中确定断面形状尺寸不一致问题。

The corrosion mechanism of sulphureous sewage was analyzed. The process condition for corrosion-proof construction was recommended. The safe operation measure of sulphureous sewage tank was proposed.

分析了含硫污腐蚀机理,介绍了防腐施工工艺条件,提出了含硫污罐安全运行措施。

Bio - degradation role of aerobiotic organic substance and relationships between biological degradation and dissolved oxygen were stated, which provided theoretical basis for waste water reatment.

本文论述了需氧有机物生物降解作用以及与溶解氧平衡关系,从而为污治理提供理论依据。

This article mainly designed one kind to use composition and so on PLC and flowmeter, PH idea, thermometer and liquidometer industrial sewage processing control systems.

本文主要设计了一种利用PLC与流量计、PH计、温度计和液位计等组成工业PH计 污处理控制系统。

The working mechanism and the structural characteristics of KMLZ slant narrow flow deoiler for settled slag and its application in treating industrial sewage are described.

介绍了KMLZ斜窄流沉渣除油器工作原理、结构特征及其在工业污中应用。

To carry out a method of tracing and investigation against the industrial sewage directly discharged into rivers so as to search the main pollutive source.

对直接排入河道工业污来源采取追踪调查方法，寻找主要污染源。

Coking residuary water contains phenol and cyanogens, which contaminate water source badly. Therefore, the coking residuary water has to be dealt with and discharged.

焦化含酚、氰污来源很广,对源污染严重,焦化污必须加以处理,合格才能排放。

Jolley(1993)is a study of dissolved phosphorus speciation in the lower molongolo sewage treatment plant(Canberra, Australia)detected no triphosphate in raw sewage entering the plant.

Jolley(1993)进行得一项研究中在溶解磷形态下molongolo污处理厂（堪培拉，澳利亚）未发现任何未经处理得污中有三磷酸盐进入工厂。