“spiral ramp development”的概念、定义、翻译、参考文献-科学参考

单词	spiral ramp development
释义	spiral ramp development Encyclopedia 工学公路运输开拓释 spiral ramp development螺旋式坑线开拓建立绕露天采场四周边帮以螺旋线方式改变运行方向的通道的公路运输开拓方式。
随便看	video camera video camera head video camera model video card video card, video adapter video cassette video CD video chat video clue for police detection video coding video communication video compact disc video compact disc, video CD, VCD video compression video conference video conference system for water conservancy departments video conferencing video content screening video converter video copy detection video crystal video data modeling videodensitometer video disk video disk system

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