Hechang Zhou north branch 和畅洲北汊
Taking the project of Ren Hechang shallow tunnel in Yuhuai railway as the background, the field experiments of the vibration effects of the ground in tunnel blasting have been done.
以渝怀铁路人和场浅埋隧道工程为背景，进行掘进爆破的地表震动效应试验。
youdao
应用推荐
模块上移
模块下移
不移动