问题
名词解释
隧道病害
答案
参考答案:
隧道运营中出现可能妨碍列车政党运行的状态。如:衬砌裂损、隧底隆起,,隧道漏水、隧道冻害、水害等。
隧道病害
参考答案:
隧道运营中出现可能妨碍列车政党运行的状态。如:衬砌裂损、隧底隆起,,隧道漏水、隧道冻害、水害等。
阅读理解。 | ||||||||||||||||||||||||||||||||||||||||||
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1. How many days are there in this month? ______________________________________. 2. What day is the second day of this month? ______________________________________. 3. How many Mondays are there in this month? ______________________________________. 4. What day is the first day of the next (下一个) month? ______________________________________. 5. What date is the last Saturday in this month? ______________________________________. |