单选题
发布日期:2021-03-22
overspeed;overload
overload;overspeed
over mechanical load;over thermal load
over torque;overspeed
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畜肉中含胆固醇最高的部分是()
根据增值税法律制度的规定,年应税销售额,是指纳税人在连续不超过12个月的经营期内累计应征增值税销售额,不包括免税销售额。()
肝性脑病患者口服或用抗生素做保留灌肠的目的是抑制___________生长,从而减少_____________。
声音干涉仪用于显示声波的干涉,见图。薄膜S在电磁铁的作用下振动,D为声音检测器,SBD长度可变,SAD长度固定,声音干涉仪内充满空气。当B处于某一位置时,在D处听到的声强为100单位的最小声音,将B移动则声音加大,当B移动1.65cm时听到强度为900单位的最强音。求: ⑴声波的频率; ⑵到达D处二声波振幅之比,已知声速为342.4m/s。
戴明环
网点日间批量开户时可以采用()入账方式.
下列关于远期市场和期货市场中说法正确的是( )
CM业务请求时,启动()
简述薪酬控制的原则。
在扑灭独头巷道火灾时,矿山救护队必须遵守的规定是()
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