Preoperatively, 130 patients were randomly assigned to either the cement group (group 1) or the hybrid group (group 2).
术前,130名患者被随机分配为骨水泥组(组一)或混合组(组二)。
The harmonic extraction practice according to the ore features and the results in Xuefeng Cement Group Corporation are described.
介绍雪峰水泥集团矿山根据矿石特点实行均化生产的实践及效果。
The invention relates to the field of architectural materials, aiming to provide a cement group infiltration crystalline waterproof precast member and a process for preparation.
本发明涉及建筑材料领域,旨在提供一种水泥基渗透结晶型防水预制件及其制备方法。
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