青云 [词典]high official position; Qingyun [例句] On the basis of analyzing strength and layer-crack damage characteristics of thin-layered Qinyun-stone ore, the separate blasting and cutting blasting tests are carried out on it. 对于薄层状青云石矿,密集的、强度较低的层理面严重影响切割爆破效果,不能沿用块状石材的切割爆破方法,因此需要进一步试验研究。
标签:青云,翻译成,英文
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