Guangzhou Metro Engineering的意思|示意

广州地铁工程 To solve these problems and did a lot of research and experiment, in fact developed jet concrete ropy agent, ZhunXing overloading of Inner Mongolia highway tunnel, zhuhai board ZhangShan highway tunnel and Beijing subway, guangzhou metro engineering, wuhan rail, haikou QiJian, hunan province construction group, liuyang - changsha water diversion project of high-speed railway tunnel, wuhan-guangzhou trial showed that the etc worksite jet springback the losses: sidewall 6 ～ 9 %, arch departments, 1 3 ～ 1 8 %, Dust content to 5 ～ 9 mg/cubic meters, has achieved remarkable economic and social benefits.