亚洲色偷偷色噜噜狠狠99网,91精品一久久香蕉国产线看观看,九色在线视频,西班牙视频不卡

Technical Spec under ACEG’s general editorship put into effect
ACEG Building Materials Technology Group Co. Ltd.  |  Updated: 2022-07-04  |  Views: 9804


The Technical Specification for the Application of Pervious Cement Concrete (DB34/T 4163-2022), compiled by ACEG Building Materials Technology Group Co. Ltd., has been ratified and issued by Anhui Provincial Market Supervision Administration Bureau, and was officially put into effect on May 29, 2022. This specification is applicable to the design, construction and acceptance of pervious cement concrete pavements / roads projects in new, expanded and rebuilt residential areas, parks / gardens, landscaped plazas, parking areas, sidewalks, pedestrian streets and light load roads.

 

Since the compilation of the specification was approved and started in 2019, ACEG Building Materials Technology Group Co. Ltd. has set up the drafting team in collaboration with other relevant units, relying on its research and application in the field of pervious cement concrete practical experiences and combining with the regional and geographical characteristics in Anhui province, they have convoked many technical seminars, widely solicited the opinions of relevant industry experts, modified and perfected repeatedly, and finally completed the Technical Specifications for the Application of Pervious Cement Concrete.

 

The content of the Technical Specifications for the Application of Pervious Cement Concrete is scientific, reasonable and operable, which is coordinated with the current relevant standards and has filled the gap of relevant standards in the field of pervious cement concrete application in the province. The implementation of this specification plays an important guiding role in regulating the application of pervious cement concrete and promotes the formulation and scientific development of special concrete standards.

 

In recent years, ACEG Building Materials Technology Group Co. Ltd. has attached great importance to its standardization construction and vigorously promoted its standards compilations and so far it has edited and participated in editing more than ten local and group standards and as a result, the company now plays a leading role with its enhanced voices, market competitiveness and expanded development opportunities in the industry.

 


日韩东京热无码免费看片| 亚洲欧美日韩亚洲精品| 无码YYY| 狠狠色噜噜狠狠狠狠av台湾| 美女强奸一区二区| 欧美熟妇激情自慰| 狠狠躁夜夜躁人人爽天天天天| 欧洲无码视频| 尤物av在线| 夜操天天操| 欧洲亚洲精品免费二区| 91国内精品人妻无码久久久影院 | 伊人夜夜丁香| 国产亚洲人成人电影| 亚洲国产精品日韩综合网| 鲁丝一区二区三区在线观看网 | 久久无码高清视频网站| 日韩精品网站| 日韩一区日韩二区| 60老熟女多次高潮露脸视频| 92精品国产成人观看免费| 无码资源先锋影音| 免费观看亚洲三级片| 亚洲成人精品免费| 哈啊亚洲精品啊啊| 丰满熟妇人妻Av无码区| 国产精品大屁| 亚洲自慰喷水| 亚洲午夜国产精品无码老牛影视| 欧美福利视频一区二区三区| 欧美少妇视频| 97射射色| 亚洲VR精品在看在线观看| 潮喷日韩欧美亚洲| 91精品欧美成人观看免费| 91精品国产综合久久久密臀九色| 操呦呦在线| 一二三四社会视频日韩中文 | www.91熟妇| 久久亚洲精品国产精品婷婷| 亚洲一级av无码毛片大陆|