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简述动车组制动系统故障时如何处理?
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关系营销中的4C是指()
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当给氧气瓶充气时气瓶的温度会有所升高,原因是()。
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安在全培训中,( )必须建立健全从业人员安全生产教育和培训制度,制定并落实安全生产教育和培训计划,建立培训档案,详细、准确记录培训考核情况。
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Wise buying is a positive way in which you can make your money go further. The ()you go about purchasing an article or a service can actually ()you money or can add ()the cost. Take the ()example of a hairdryer. If you are buying a hairdryer, you might ()that you are making the ()buy if you choose one ()look you like and which is also the cheapest ()price. But when you get it home you may find that it ()twice as long as a more expensive ()to dry your hair. The cost of the electricity plus the cost of your time could well ()your hairdryer the most expensive one of all. So what principles should you ()when you go out shopping? If you ()your home, your car or any valuable ()in excellent condition, you’ll be saving money in the long () Before you buy a new (),talk to someone who owns one. If you can, use it or borrow it to check it suits your particular () Before you buy an expensive (),or a service, do check the price and ()is on offer. If possible, choose ()three items or three estimates. 请在第()处填上正确答案。
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对企业投资的技术方案进行经济效果评价,必须进行()。
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涡喷13F型发动机附件传动机匣上的放油开关是放出附件传动机匣中的()。
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()是通信基本建设项目在生产期内的年平均利润总额与总投资的比率。
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患者男,37岁,因“体检发现纵隔肿物”入院。患者无不适症状,查体无明显异常。胸部X线片:患者前上纵隔可见一个椭圆形、无分叶的孤立性块影。胸部CT增强扫描:该肿块影得到迅速增强。关于该病的治疗方式,叙述错误的是()
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根据我国《民法通则》及有关法律的规定,关于诉讼时效期间的叙述,正确的是()。