单选题
发布日期:2021-03-22
place standby cooler in operation
reduce engine load
check thermostatic valve
clean sea water strainer
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此试题出现在
下列关于维生素C结构和性质的叙述,那一项是错误的:()
出站信号机有两个及其以上的运行方向,而信号显示不能分别表示进路方向时,应在信号机上装设()。
企业控股股东或实际控制人发生变化,控股股东或实际控制人、主要关联企业或关联人发生重大事件给企业带来较大负面影响的,不属于信用风险应急处置事件之一。
影响局麻药最低麻醉浓度的因素除外()
我国现存第一篇文学理论和文学批评的专论是()的《典论·论文》。
介质中每一点的声压都是恒定的。
能够实现液压泵卸荷的控制阀是()。
X进站信号机开放引导信号后,ⅠAGJ因故落下数秒后又自动吸起,该信号机由亮H、B灯改点H灯又改点H、B灯。
边境也称国界,是国家领土范围的界线,是分隔一国领土和他国领土、一国领海和公海、一国领空和外层空间的界限。
肥胖症的发生原因与下列哪些因素有关()
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