单选题
发布日期:2021-03-22
Refrigerator
Refrigerant
Cooling medium
Brine
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完整的电子商务的内涵应包括()个方面的内容。
创新按照熊彼特的说法,是创造性毁灭,新的创新就会使旧的创新毁灭。
下列器质性心脏病中,不能触及震颤的是()。
肿瘤干细胞
流式细胞术尿沉渣分析仪分析,属于定量参数的是()
如果我们规定相邻两条流线之间通过的流量(),则流线的疏密可以反映地下径流强度,等水头线的疏密则说明水力梯度的大小。
劳务派遣单位的注册资本是多少?
路局对《行车设备检查登记簿》换本时如何转登?
由于涉及的对象和内容不同,绩效管理程序的设计可以分为()
影响教育实验外在效度的因素有()
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