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下列关于电动绞缆机对拖动电动机的基本要求的叙述中,正确的是()。
单核吞噬细胞系统功能障碍易诱发DIC的原因有()
水泥混凝土散水、明沟应设置伸、缩缝,其延长米间距不得大于()m,对日晒强烈且昼夜温差超过15℃的地区,其延长米间距宜为4~6m。水泥混凝土散水、明沟和台阶等与建筑物连接处及房屋转角处应设缝处理。上述缝的宽度应为15~20mm,缝内应填嵌柔性密封材料。
王庭筠的书法成就如何?
青海对农业的社会主义改造,采取了领导农民走()的道路。
职工在两个用人单位同时就业的,发生工伤后,由()承担工伤保险责任。
仓库中处于暂时停滞状态的物资是()
国家旅游局属于()。
挤压伤者,当伤肢局部明显肿胀,伴有静脉回流障碍时,局部处理应首先考虑()
呼吸衰竭时出现的电解质紊乱少见的类型是()
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