实际液体在过流断面上的速度（）。
实际液体在过流断面上的速度（）。
A.各点相同
B.各点不同，分布规律不确定
C.各点不同，呈抛物线分布
D.各点不同，呈三角形分布
正确答案：各点不同，呈抛物线分布
- 1.液压传动的缺点主要有哪些？
- 2.液压传动的传动比无法严格保证的原因是什么？
- 3.液压传动的优点有哪些？
- 4.液压传动的介质是（）。
- 5.液压传动是靠（）来传递能量的。
- 6.The Continental Congress voted to meet again in May 1775 to consider further action, but by that time violence had already broken out. On April 19, local militiamen clashed with British soldiers in（）and Concord, Massachusetts, marking the first shots fire
- 7.The expansion of empire brought fame to statesmen and explorers such as Clive of India and Captain（）, and sowed the seeds of the worldwide British Empire of the Victorian and Edwardian eras which were to follow.
- 8., who carried the arts of criticism and conversation to new heights, both typified and helped to form mid-18th-century views of life, literature, and conduct.
- 9.The American colonies enabled Britain to deal with the（）(1789-1799) with more unity and better organization than would otherwise have been the case.
- 10.The Second Continental Congress convened in Philadelphia in May andvoted to form a Continental Army with Washington as its commander in chief. On July 4, the Continental Congress voted to adopt the（）.