许继军指出,汛期(qi)水库有防洪要(yao)求(qiu),水(shui)库水位必须(xu)降低(di)至汛限(xian)水位,做好调蓄(xu)洪(hong)水的准(zhun)备,但今年出现了两难的局(ju)面,预期(qi)的洪水没(mei)有来,却出(chu)现了严(yan)重(chong)干旱,而此时水库(ku)蓄水(shui)有