"查查词典"手机版
千万人都在用的超大词汇词典翻译APP
- Utilization of network technology in changing the cage guide rope of shaft
网络图技术在更换立井绳罐道上的应用 - Shaft sinking-abutment for guide ropes-safety requirements and testing
打竖井.导向钢丝绳用支座.安全要求和试验
Last modified time:Mon, 11 Aug 2025 00:29:56 GMT