railway tunnel work 中文意思是什麼
railway tunnel work
解釋
鐵路隧道工程-
The maintenance and management work is abundant and meticulous. it is very important to study the maintenance and management of the tunnel to maintain management system and perfect the administrative skill of tunnel and guarantee the railway unblockedly
其維修養護管理工作是龐大的、也是細致的,因此,研究其維修養護管理問題,以完善秦嶺隧道養護維修管理體制和隧道管理技術,保證線路暢通是非常重要的。
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