搜题请搜索小程序“爱下问搜题”
问题 单项选择题

100MW及以下的机组，应计及电动机反馈电流对电器和导体( )的影响。

A．热稳定；
B．断路器的开断电流；
C．动稳定；
D．动、热稳定及断路器的开断电流。

答案

参考答案：C

单项选择题

With respect to major bond markets around the world, which of the following statements is most accurate

A. Investors in one country that acquires bonds issued by the government of another country are believed to be risk-free.
B. The factors that affect yield spreads in the U. S. are different than the factors that affect yield spreads in other countries and between countries.
C. An investor in one country that buys bonds denominated in the currency of another country has unknown cash flows in the investor's domestic currency.
查看答案
问答题 简答题

举出八种利用微生物为主体的发酵食品？
查看答案