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水管通过。

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

"为了铺设污水管道,我们必须在河床下面开一条通道。"

Power lines, telephones and sewage facilities are grossly over utilized and undermaintained.

能源线路，电话，和下水道设已经过分，并维修不足。

The sewage pipes were choked with rubbish.

垃圾阻塞了污水管道。

They city needs a new sewage disposal system.

这个城市需要一套新污水处理系统。

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，排放洗仓水和其他残余物，必须按照国家有关船舶污水排放规定进行，并如实地记入航海日志。

The main function of vacuum sucking sewage truck is to suck and transport the dejecta and sullage and carpolite and the other liquid mixing big suspend impurity for Environment Protection in city.

我公司生产真空吸污车系列主要功能是为城乡环卫部抽吸和运送粪便、淤泥、石子及其它混有较大悬浮杂物液体。

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.

污水色度测定一般采稀释倍数法,该方法在人眼判定稀释后水样是否接近无色时容易引起误差。

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.

分析了含硫污水腐蚀机理,介绍了防腐工工艺条件,提出了含硫污水罐安全运行措。

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.

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

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水中应。

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水来源采取追踪调查方法，寻找主要污染源。

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污水处理厂（堪培拉，澳大亚）未发现任何未经处理得污水中有三磷酸盐进入工厂。

The chemical composition of sewage produced in Gaoshangbao Oilfield is analyzed.The effects of deoil by using agent and suspended solids are studied.

分析了高尚堡油田采油污水化学成分,研究了药剂除油和固体悬浮物效果,优选复配出水处理效果好药剂FSAN。

Domestic sewage motorless treatment facility, for low consumption of power and simple control, finds more and more application in railway sewage disposing.

无动力生活污水处理设由于其动力消耗低,管理简单,在铁路污水处理领域应越来越广泛,但其实际处理效果好坏,一直是制约其推广主要原因。

The source and damage of manganiferous wastewater were introduced. The control technology, sewage purification means and water resources protection were discussed.

摘要介绍了含锰废水来源与危害，对其治理技术、污水净化手段以及水资源保护等方面进行了探讨。

It is proved effective that deep well aeration biological treat propylene technology is used to treat propylene epoxide saponated sewage.

实践证明,深井曝气生化处理技术处理环氧丙烷皂化污水是行之有效。

Recently, ozone has been widely used in medicine, vivers, chemical industry, air decontamination, sewage disposal and drinking water sterilization.

近年来，臭氧技术已在污水处理、医学、食品、化工生产、空气净化、饮水杀菌消毒等领域得到广泛应，并显示出很好发展前景。

The sewage channel chokes.

这条污水道塞住了。

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...

系统不仅能对电镀含酸污水进行处理，对其它行业含磁污水或含有其它有害成份污水也能进行有效测量和控制。