trackless pit 无轨露天矿
trackless transport 无轨运输 ; 无轨运输方式
God trackless 上天无路
Trackless transportation 无轨运输 ; 无规运输
trackless haulage 无轨运输
trackless trolley 无轨电车
trackless tunneling [矿业] 隧道无轨掘进
ADJ having or leaving no trace or trail 无足迹的
a trackless jungle
Ships are wrecked in the trackless water.
船只在无踪的水里崩解。
The advantages and application limitations of trackless equipment are described.
同时叙述了无轨设备的优点及其应用的局限性。
The operation cost of small scale trackless equipment in a mining test is described.
介绍了小型无轨设备在采矿试验中的运行成本情况。
Up a trackless slope climbs the master artist, and at the top, on a windy ridge, whom do you think he meets?
伟大的艺术家在那无路可寻的山峰上攀登,他登上山顶,迎风而立,你们猜他遇到了谁?
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