1.  >>  河南成教 / 水泵与水泵站
 河南成教 / 水泵与水泵站
正确率:100%

[多选题] 水源水位变幅较小时,中小型离心泵的机房结构形式不宜选


A.分基型

B.干室型


C.湿室型


D.块基型
  积分
 参考答案:
 佳题速递:
  • 【不定项选择题】生物法是利用微生物的代谢作用使污(废)水中呈溶解状和胶体状的有机污染物分解为简单稳定的无机物质的方法。生物法可以分为( )。吸附法离子交换法自然生物处理法人工生物处理法人类发展与环境保护
  • 1[阅读题]  Alfred Nobel, the great Swedish inventor and industrialist, was born in Stockholm on October 21, 1833, but moved to Russia with his parents in 1842, where his father, Immanuel, made a strong position for himself in the engineering industry. Immanuel Nobel invented landmine and made a lot of money from the government during the Crimean War, but went bankrupt soon after. Then, the family returned to Sweden in 1859, where Alfred began his own study of explosives in his father’s lab. He had never been to school or university but had taught himself, and by the time he was twenty, he became a skillful chemist and excellent linguist, speaking Swedish, Russian, German, French and English. He built up over 80 companies in 20 different countries. He was always searching for a meaning to life. He spent much time and money working on how to end the wars, and the peace between nations, until his death in Italy in 1896. His famous last will, in which he left money to provide prizes for outstanding work in physics, chemistry, physiology, medicine, literature and peace, is a memorial to his interests and ideas. And so, the man is remembered and respected long after his death.61. Where was Alfred Nobel born? He was born in _____.A. Sweden                                   B. StockholmC. Russia                                     D. Moscow62. What did Immanuel Nobel invented during the Crimean War?A. The engineering industry.                   B. A strong position.C. Landmine.                                D. Study of explosives.63. Why did Alfred Nobel return to Sweden ? Because his father ______.A. went bankrupt                             B. was put in prison  C. was ill                                    D. died64. How many companies did Alfred Nobel build up? He built up _______ companies in different countries.A. 20                                         B. 40C. 60                                       D. 8065. What was Alfred Nobel always searing for? ______.A. More time and more money                 B. A meaning to life  C. How to end the war                        D. The peace between nations 英语 C(二)
  • 1、按照巴塞尔协议的要求,商业银行的资本充足率至少要达到() (分数:2 分) A. 0.04 B. 0.06 C. 0.08 D. 0.1商业银行经营管理
  • 9[多选题] 一般低压线路选择导线截面应考虑的条件是 A.电流发热 B.功率损耗 C.机械强度 D.电流经济密度电气安全
  • 32[多选题] 依照《行政诉讼法》及相关司法解释的规定,司法审查判决的种类包括(           ) A.维持判决 B.撤销判决 C.履行判决 D.确认判决行政法学
  • 对待老朋友,谈判手握手力度可小可大,握手时间可长可短。 电子商务谈判