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PTN承载1条2G业务,TUNNEL配置CAR,建议CIR配置为()
掘进工作面的炮孔布置方法有哪几种?()
海拔高度
对于幼儿来说,游戏不仅是一种玩耍,也是一种学习,也是他的工作,更是他的生活。()
依据宇宙中的天体由近及远分类,把天体分为以下几个层次:(1)();(2)();(3)()。
带电灭火的安全技术要求不正确的是()。
效度
有利于防范、打击()等跨国犯罪活动,保持边境地区安全与稳定,是边民出入境管理的重要意义之一。
20世纪()年代,TRIZ理论传入中国,进入21世纪后得到广泛推广,成为国家支持的创新方法研究与培训的一个重要领域。
循环机的润滑方式是什么?
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