物理答案 2023-04-27
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最佳答案:
光年是长度单位 不能指时间 不要被里面的年迷惑
Do you expect to be a possibility that we may have three days off for the coming New Year’s Day?A.it
类别: 英语 | 英语答案 2023-04-27
三峡大坝水库水面下100m深处水的压强是Pa.大坝边上修筑的船闸是利用原理工作的,开闸放水时,如果水位每下降1m,那么水对坝底每平方米面积减少的压力是N.
类别: 物理 | 物理答案 2023-04-27
30. Jennifer, who is my best friend, said she would go abroad for further education __________.A.bef
(2003•吉林)6月1日,举世瞩目的三峡大坝开始关闸蓄水,关闸蓄水的首要目的是为了提高水的势(重力势)势(重力势)能,当水位达到135m时,坝底所受水的压强为1.35×1061.35×106Pa.(
18. – Students should devote most of their time to studying rather than playing computer games.– ___
拦河坝大坝高60米,坝内水深50米,水对坝底的压强为Pa.(g取10N/kg)
28.I didn’t enjoy the party very much. I knew ______ nobody there.A.hardlyB.nearlyC.almostD.Mainly
如图是三峡大坝.修建水坝时,水坝的下部总要比上部修建得宽些,这是因为.三峡水电站的水库大坝高为185m,当水库水位是175m时,坝底受到水的压强是Pa.
106. The stone steps up to the mountain temple had been worn ______ by centuries of visitors from ev
如图1是三峡水电站的拦河大坝,决定大坝坝底所受水的压强大小的是A大坝的高度B水库中水的体积C水库中水的质量D水库中水的深度