Pigeons and pollution are both common blights in cities around the world, but a group of engineers in London are hoping the birds can help them tackle problems with air quality.
对世界上许多城市来说，鸽子和污染问题都是常见的危害，但伦敦的一群工程师却希望能利用鸽子来帮助解决空气污染问题。
This paper analyzed the common quality problems of crankshaft after repair, and improved the process in practice, to obtain better use effect.
文章就曲轴修理后常见的质量问题进行了分析，并在实践中进行工艺的改进，以期获得较好的使用效果。
The leakage in external walls is one of the common quality problems in the construction.
外墙渗漏问题，是建筑工程质量问题中常见的一种。
The soil obstacle factors in plastic greenhouse were the common problems in the world, having seriously affected the output and quality of vegetables and caused the environment pollution as well.
大棚土壤障碍因子是国内外共同存在的问题，已严重影响蔬菜等作物产量、品质并引起环境污染。
This article analyses the common problems in the registration application and quality control of drug substance, and gives some suggestions for the issues concerned.
分析了申报原料药的管理和质量控制中存在的问题，简述了药品注册中原料药管理和质量控制的几点建议。
Low yielding and poor quality are the common problems in the chestnut production in Hebei.
河北省太行山区板栗生产上存在的问题是产量低、品质差。
In the end, the common construction quality to fiber chip seal is summarized and its reasons is analyzed. Reference for highway technology, key problems is proposed.
最后总结了纤维碎石封层常见的施工质量问题，并分析其原因，提出重点注意的问题，以供公路技术人员参考。
In the paper, the processing technology, product standard, common quality problems and solutions concerned with a flat peach juice drink are mainly described.
主要介绍了蟠桃汁饮料的生产工艺、产品标准、常见的质量问题和解决办法。
This paper lists in detail the common quality problems in the painting works, makes analysis on their causes, and puts forward corresponding treating methods.
详细列举了施工中常见的油漆工程质量问题，对其原因进行了分析，并提出了相应的治理方法。
It has realistic significance to present some prevention measures and advice aiming at common quality problems lie in simple supported steel-concrete composite box girder design and construction.
针对先简支后连续的组合箱梁设计、施工中经常出现的质量通病，提出相应的防治措施及建议具有一定的现实意义。
In concrete projects, crackles are common typical quality problems that do exist.
砼工程中出现裂纹是典型的质量通病。
Now a brief analysis of common problems and construction quality control measures of cast-in place pile are analyzed.
现简要分析钻孔灌注桩常见施工质量问题及防治措施。
This article mainly discusses the common problems of poor bactericide effect by addingchlorine and water quality spoilage existed in circulating water in ammonia plant.
探讨合成氨厂循环水普遍存在加氯杀菌效果差，水质容易恶化的问题。
This paper discusses the common quality problems and preventive measures during the construction of cast-in-situ bored pile construction in detail.
本文就浅析钻孔灌注桩施工过程中常见施工质量问题及预防措施进行详细的探讨。
Pigeons and pollution are both common blights1 in cities around the world, but a group of engineers in London are hoping the birds can help them tackle problems with air quality.
对世界上许多城市来说，鸽子和污染问题都是常见的危害，但伦敦的一群工程师却希望能利用鸽子来帮助解决空气污染问题。
Several common quality problems in the production and the methods of controlling them were studied.
对产品容易出现的质量问题及其控制方法进行了研究。
This paper analyzes the common problems about quality in concrete construction of hydraulic engineering, and describes its appropriate treatment measures.
本文主要针对水利工程混凝土施工质量存在的通病进行分析，并概述其相应的处理对策。
This paper analyzes the common problems about quality in concrete construction of hydraulic engineering, and describes its appropriate treatment measures.
本文主要针对水利工程混凝土施工质量存在的通病进行分析，并概述其相应的处理对策。
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