日韩精品在线看,《隔壁女邻居3》中文,一本色道久久爱88AV,av淘宝 在线观看,国产男女猛烈无遮挡A片软件,影音先锋色情资源站,国产色婷婷亚洲99麻豆,女人与公拘交酡全过女免费,中文字幕一区二区三区在线不卡,国产又粗又猛又爽又黄A片漫画

Haichuan Construction Group has formed a lot of applications of scientific and technological achievements through technological innovation for the large engineering projects. I item of National Construction Method, 9 items of Construction Method in Shandong Province and 60 items of Enterprise-class Construction Method has already been widely used in production, construction and production practice. By improving the original technology and equipment, it not only improves the labor productivity and reduces the labor intensity of the workers, but also saves energy. It has gained numerous key core technologies with independent intellectual property rights such as the comprehensive technology of deep foundation pit engineering under the complex coastal geological conditions, the technology of confirming working mix proportion of anti-floating anchor grouting under such geological conditions with rich underground water, the comprehensive research and application technology of sea-water source heat pump, the foundation pit support technology for underground engineering under the complex coastal geological conditions, the anti-cracking and anti-seepage technology of concrete structure basements ans so on. The improvement of technical innovation capability has also accelerated the continuous development of Haituan Group and driven the industry forward.