double-o-tube shield的意思|示意
美 / /
英 / /
double-o-tube盾
double-o-tube shield的网络常见释义
双圆质构 关键词:双圆质构;隧道;土体地表沉降;位移叠加 [gap=1506]Key words:double-o-tube shield; tunnel; soil surface settlement; displacement overlapping