文档介绍：中铁二十局集团有限公司青荣城际铁路工程 QRZH-I V标隧道监控量测实施方案 1 ································································· 1 ································································· 1 1 .高效、适用原则····················································· 1 2 .安全原则······························································ 1 3 .符合本单位技术水平的原则······································ 2 ································································· 2 ································································· 2 1 .隧道概况···························································