第1题:
灌溉水源不包括( )
A.地表灌溉水源
B.地下灌溉水源
C.未经净化处理的工业污水
D.灌溉回归水
第2题:
第3题:
灌溉水源不包括()
第4题:
节水灌溉(water-saving irrigation)
第5题:
银川平原的灌溉水源来自()
第6题:
从事工程建设,占用()、灌排工程设施,或者对原有灌溉用水、供水水源有不利影响的,建设单位应当采取相应的补救措施;造成损失的,依法给予补偿。
第7题:
简述灌溉水源。
第8题:
冰雪融水
湖泊水灌溉
引黄灌溉
地下水灌溉
第9题:
地表灌溉水源
地下灌溉水源
未经净化处理的工业污水
灌溉回归水
第10题:
第11题:
is needed
has needed
are needed
need
第12题:
build big lakes to store water
construct big pumping stations
channel water from nearby rivers to cropland
build small and cheap irrigation systems
第13题:
灌溉对水源的水质、 ()有要求。
第14题:
灌溉水源主要有哪些类型?灌溉对水源有何要求?
第15题:
水利计算(analysis of irrigation water resources)
第16题:
灌溉(irrigation)
第17题:
灌溉水源
第18题:
灌溉用水量是指灌溉土地需从水源取用的水量,亦称毛灌溉用水量。
第19题:
灌溉水源的主要类型
第20题:
As the town’s water requirements grow, it will not be able to meet those requirements by drawing on water sources other than the Gray River.
Since 1960, the lake’s population of fish has become more biologically fragile.
The amount of water that the lake loses to evaporation each year will increase over the next two decades.
There are multiple sources of water besides the Gray River that feed into Lake Mudfish.
The town of Hotstone will be able to reverse its trend of increasing water use if it implements an aggressive water conservation program.
第21题:
Petroleum, sunlight and wind power.
Gas, water and fossil fuels.
Coal, natural gas and hydropower.
Sunlight, water and wind power.
第22题:
第23题:
农业灌溉水源
水源
灌溉水源