Tuesday, January 3, 2023
Thursday, June 19, 2025
Thursday, September 22, 2022
问题:多选题可以作为雨水径流集蓄灌溉工程径流聚集区域的有()。A休闲田块;B路面;C坡面;D屋面和庭院。...
Sunday, July 16, 2023
Saturday, September 17, 2022
问题:计算支渠的平均工作长度时,其折算系数可视支渠灌溉面积的平面形状来定,当面积重心在中游时,折算系数取值为()...
Sunday, September 18, 2022
Friday, September 1, 2023
Wednesday, September 21, 2022
问题:问答题输水系统是指输水沟(渠)和截流沟的作用是什么?...
Saturday, October 28, 2023
问题:土壤含水量对作物各种生理活动的影响是不一致的,土壤水分的减少对以下各项活动影响程度排序正确的是()。...
Wednesday, September 21, 2022
问题:作物需水量是指农作物生长发育过程中,从播种至收获消耗于植株叶面蒸腾和株间蒸发的水分的总和。...
Wednesday, September 21, 2022
Tuesday, July 22, 2025
Wednesday, September 21, 2022
Tuesday, October 8, 2024
问题:填空题按控制面积大小和水量分配层次划分,灌溉渠道分为四级:();排水沟也分为四级:()。...
Friday, May 31, 2024
问题:问答题按灌水时水流出方式的不同,可以将微灌分为哪几种形式?...
Thursday, January 30, 2025
Friday, November 15, 2024
Wednesday, September 21, 2022
Saturday, January 21, 2023
问题:问答题设计渠道时需要用到哪几种流量作为设计与校核之用?...
Monday, May 8, 2023