- 推荐网络例句
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Corea Pickled Vegetable is fashionable in the world by its abundant nutritive Value and multifarious health protection.
韩国泡菜以其丰富的营养和多种保健功能风靡世界。
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The action of anti-dropping by adding line phenolic-formaldehyde resin into PE-IFR was studied. Configuration and structure of intumescent char was observed with SEM and the mechanism of anti-dropping was discussed.
考查了线型酚醛树脂对聚乙烯膨胀阻燃体系的防熔滴作用，并通过扫描电镜观察膨胀炭层的形态和结构，对线型酚醛树脂的防熔滴机理进行了探讨。
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The edgewise technique was used to align and level the upper and lower arches gradually and upright the lower incisors. Then, modified LeFort Ⅰ osteotomy was operated with 4 cases pterygomaxillary disjunction and the other 2 cases not. The maxillas were not moved during the operation and sutured mucoperiosteum at the same place. After 3-5 days latency period, elastic distraction about 700g/side and increasing to 1400g/side gradually, was started with two cases which the maxillas were not cut off totally.
术后经过3—5天的延迟期即开始牵引，2例行不完全截开术者，采用弹性牵引，力量从700g／侧逐渐增加至1500g／侧；4例行完全骨截开术者，首先采用刚性牵引和口外牵引钩，每天缩短牵引钢丝1mm，2例直接达到矫治要求，其余2例达到浅覆盖后，截去口外牵引钩，换弹性牵引和口内牵引钩继续前牵上颌骨。
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