“presplitting blasting of open pit”的概念、定义、翻译、参考文献-科学参考

单词	presplitting blasting of open pit
释义	presplitting blasting of open pit Encyclopedia 工学露天矿爆破释 presplitting blasting of open pit露天矿预裂爆破在正式爆破开挖之前，预先沿露天矿最终边坡轮廓线爆破出一条一定宽度的裂缝，以达到保护保留区岩体的目的的爆破技术。
随便看	Xishuangbanna Daizu Zizhizhou Xishuangbanna Guojiaji Ziran Baohuqu Xishuangbanna Naban He Watershed National Nature Reserve Reserve Xishuangbanna Scenic and Historic Area Xishu Bookstore Xishuipo Xishuipo Site Xishui Wen Yiduo Museum Xishui Xian Xi Song Xitai Xi Tianshan National Nature Reserve Xitian Temple Sculpture Steles Xitie Shan xitieshanite Xitieshan lead-zinc deposit Xitou Xi Tribe Xituanshan Xituanshan Culture Xiuding Temple Pagoda Xiufeng cliffs Xiufeng Qu Xi Ujimqin Qi Xiu Moutain Park in Nanjing

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