“main haulage tunnel”的概念、定义、翻译、参考文献-科学参考

单词	main haulage tunnel
释义	main haulage tunnel 主要运输平硐
随便看	axle axle adjuster axle arm axle base axle beam axle bed axle body axle bolt axle box axle box bearing axle box body axle box guard axle box guide axle box lid axle brass axle bush(ing) axle cap axle center axle centering machine axle clamp axle concentration axle construction axle detector axle drive bevel gear axle drive bevel pinion

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