单选题
发布日期:2021-03-22
(1) only
(2) only
(1) and (2)
(1),(2)and(3)
题王网让考试变得更简单
扫码关注题王,更多免费功能准备上线!
此试题出现在
CIF与CIP相比较,不同之处有()
应进一步做的检查是( )。
隋唐时期的最高行政机关是三省六部,它是在魏晋南北朝时期相继出现逐渐形成的。
试论国外老年护理的发展与经验。
临床上试戴固定桥时桥体产生翘动,最可能的原因是()
新建一个“公制”的零件文件,如图所示在草图中绘制直径为18mm的构造圆,然后在其中绘制内接的正七边形,完成后拉伸多边形10mm。请问这个零件的体积是多少(立方毫米)?()
一位研究人员希望了解他所在社区的人们喜欢的纯牛奶是伊利还是蒙牛。他找了些喜欢纯牛奶的人,要他们通过品尝指出喜好。杯子上不贴签,以免商标引发明显的偏见,于是将伊利的杯子标志为“M”,将蒙牛的杯子标志为“Q”,结果显示,超过一半的人更喜欢蒙牛的牛奶,而非伊利牛奶。 以下哪项如果为真,最可能削弱上述论证的结论?()
如下各项中,有几项可能会导致原本正确安装的离心泵发生汽蚀?() ①被输送液体的流量过大; ②被输送液体温度过高; ③被输送液体贮槽液面下降; ④吸入管路局部堵塞。
期货投资者保障基金启动资金的来源为( )。
面值为100元的债券,赎回值也为100元,票息率年计息2次的年名义利率为8%,债券的购买价格为100元,债券的期限为5年。则此债券的年名义收益率为( )。
暂无相关推荐~
As for a hydraulic vane pump, which of the following is in contact with the vane...
As for a hydraulic single action vane pump, the inner wall of the stator is usua...
As for a hydraulic vane pump, which of the following is in contact with the vane...
When a hydraulic vane pump is working, which of the following is in contact with...
When a hydraulic vane pump is working, which of the following is in contact with...
As for a hydraulic single action vane pump, the inner wall of the stator is usua...
A vane pump belongs to () according to its working principle.
A vane pump belongs to () according to its working principle.
If a hydraulic pump is overheating, the cause may be ().
If a hydraulic pump is overheating, the cause may be ().