主页
学科
搜索
账户
常见问题
当前学科:基础考试
题目:
单选题
梯形断面水渠按均匀流设计,已知过水断面A=5.04m
2
,湿周x=6.73m,粗糙系数n=0.025,按曼宁公式计算谢才系数C为:()
A
A
B
B
C
C
D
D
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
下列关于香港的正确叙述是()
自然资源保护权与使用权的比较?
卸煤沟或卸煤孔上应该有坚固的本子,卸煤时()。杯子的网眼一般应不大于()mm。
下列关于企业以回购股份形式奖励本企业职工业务会计处理的表述中,正确的有()。
对于保险销售从业人员资格证书损毁影响使用,向颁发单位办理换发资格证书手续的主体是()。
情绪在幼儿心理发展中有何特殊的作用?
肠易激综合征腹痛的规律是()胃溃疡腹痛的规律是()
()不违反禁止权利滥用的原则。
内燃机的排量是指()
The Rules for Making Good Biluo Chun Tea 1. Draw cold water fronl the tap; 2. When the kettle boils,heat the teapot,keeping its inside as dry as possible; 3. Put the tea in the teapot.The amount will vary according to the number of people and the strength which they like their tea.As a general rule,use one teaspoonful for each person and an extra"one for the pot"; 4. Pour the boiling water on to the tea and stir well; 5. Place a cozy over teapot; 6. Leave the tea to infuse for five minutes; 7. Put milk and sugar(if required)in the teacups; 8. Start pouring the tea into the cups and then,half filling them,and then top up the teapot with freshly boiled water.Fill the cups and then up the teapot again if the second cup of tea is required.