离心泵在生产运行过程中,不仅会产生轴向力,而且还会产生()。
A.侧向力
B.径向力
C.离心力
D.向心力
参考答案:B
根据句意,中文提示或英文释义,写出所缺单词,使句子通顺。
小题1:He is reading some ____________ ( 广告 ) to find a job.
小题2:Though he is not as f________ as a superstar , many people know his name.
小题3:Mr Wang’s _______ ( the ability to see ) is very good so he doesn’t need to wear glasses.
小题4:Of all the subjects, I like ________ ( 科学 ) best .
小题5:People in Britain say “ film ” while people in the USA say “________ ”.
全年三大流星雨指()
A、元月象限仪、八月英仙、十二月双子
B、五月宝瓶、十月猎户、十二月小熊
C、九月御夫、六月天琴、十一月金牛