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经改造或重大维修的设备在验证效期内不用进行再确认,只要设备运行正常,就可用于生产。
5人的血清滴度为(1:20,1:40,1:80,1:160,1:320),描述平均滴度,以( )指标较好。
钢箱梁桥按箱室的结构形式分为哪几类,分别介绍适用范围。
()年,公共关系职业载入我国“国家职业分类大典”。
下列关于良知反战的表述,不正确的是()。
在控制过程中,风电机组将被控制在功率()区和功率()区范围内。
男性,45岁,发热、咳嗽1周,曾少量咳痰伴痰中带血3次。胸片示右中叶3cm×3cm类圆形阴影,中间可见空洞,无液平。痰找结核菌1次,结果阴性,胸部CT示空洞为偏心空洞,部分洞壁有结节状隆起。进一步的检查应首先考虑()
说明观察活动的指导要点?
下列选项中不属于SHECA证书管理器的操作范围的是()
中节指骨骨折向掌侧成角者()。
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