要regulate the river flow,,所以increase the storage capacity of lakes,,
但係點解既??
係點因為lake儲存多d水,,就少d水流到river/sea呢??
唔係好明-33-
Thx
更新1:
係斜坡d泥石吸左雨水,,重左,,點解地心吸力會大d既?? 重d就會地心吸力大d嫁la?? 中國東北部點解夏天好熱,,冬天好凍,,好凍係因為唔近warm sea,,所以冇winter monsoon,,但夏天好熱唔明呀!!! 唔倏答哂,,少少都好,, Thx a lot!!
更新2:
唔使答哂,,少少都ok la