Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.
结合矿锚杆支护现状,探了锚杆支护参数优的必要性和重要性。
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Wang Yun, a researcher at the Academy of Macroeconomic Research, said the Singles Day shopping carnival is playing a vital role in stimulating consumer purchasing appetites, shoring up confidence of shoppers and boosting the recovery of consumption.
宏观经济研究院研究员王蕴表示,双十购物狂欢节在刺激消费者购买欲望、提振购物者信心和促进消费复苏方面发挥着至关重要作用。