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来源:雅诚德英语网
The preventive measure have been put forward, by analysing the reason of roadster accident in inclined alley conveyance.
通过对煤矿井下斜巷运输跑车事故原因的分析,提出预防措施。
The preventive measure have been put forward, by analysing the reason of roadster accident in inclined alley conveyance.
通过对煤矿井下斜巷运输跑车事故原因的分析,提出预防措施。