The problems and suggestions for improvement of the greening effect in the urban roadside tree planting belts are put forward based on the current plant disposition status of Zhuhai City.
针对珠海市区道路绿化植配置现状，提出了存在问题和改善道路绿化效果的建议。
It also gives analysis on the existing problems and Suggestions for improvements.
对存在的问题进行分析并提出改进意见。
The principle and the research progress of the surfactants in the field of chemical cleaning were reviewed. Some existed problems and Suggestions were briefly discussed.
综述了表面活性剂在化学清洗中的作用原理、应用及研究现状，并分析了其中存在的问题。
This article introduced the design of fine aluminum powder production process and provided main process characteristics and technique economic data. Relative problems and Suggestions were discussed.
介绍了微细铝粉生产工艺的设计，列出了主要工艺特点及技术经济指标，提出了有关问题和建议。
This article introduced the design of fine aluminum powder production process and provided main process characteristics and technique economic data. Relative problems and Suggestions were discussed.
介绍了微细铝粉生产工艺的设计，列出了主要工艺特点及技术经济指标，提出了有关问题和建议。
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