7yue31ri23shi，genjubeijumahe、liulihe、baigouhedangqianshuiqing，zonghekaolvshangyoulaishuiqingkuang，hebeiyoujuedingqiyonglangouwaxuzhihongqufenzhihongshui，yijianqingxionganxinqufanghongyalidezhongyaorenwu。7(7)月(yue)3(3)1(1)日(ri)2(2)3(3)时(shi)，(，)根(gen)据(ju)北(bei)拒(ju)马(ma)河(he)、(、)琉(liu)璃(li)河(he)、(、)白(bai)沟(gou)河(he)当(dang)前(qian)水(shui)情(qing)，(，)综(zong)合(he)考(kao)虑(lv)上(shang)游(you)来(lai)水(shui)情(qing)况(kuang)，(，)河(he)北(bei)又(you)决(jue)定(ding)启(qi)用(yong)兰(lan)沟(gou)洼(wa)蓄(xu)滞(zhi)洪(hong)区(qu)分(fen)滞(zhi)洪(hong)水(shui)，(，)以(yi)减(jian)轻(qing)雄(xiong)安(an)新(xin)区(qu)防(fang)洪(hong)压(ya)力(li)的(de)重(zhong)要(yao)任(ren)务(wu)。(。)