据他观察，被困人员太多，天还下着雨，一趟救援往返大概需要40分钟左右。救援队只能先救出偏远地方老人和小孩。到了晚上，光线不好，水流速度快，水位在不断上涨，救援人员对水域状况不熟悉，增加了救援难度。

buguozhongguoshiyoudaxueguanfangweiboyu6yue8rishangwufabiaoshengming，“6yue7ri，wangshangchuxianyouguangaixiaoanquanyuhaiyanggongchengxueyuanbiyeshengdongmoumoudewangtie。jingzha，dongmoumouyuqizaixiaoyanjiushengdaoshiwurenheqinshuguanxi。”jizhefaxian，gaitiaoweiboxianshi“bozhuyikaiqipinglunjingxuan”，wufazhakanliuyan。不(bu)过(guo)中(zhong)国(guo)石(shi)油(you)大(da)学(xue)官(guan)方(fang)微(wei)博(bo)于(yu)6(6)月(yue)8(8)日(ri)上(shang)午(wu)发(fa)表(biao)声(sheng)明(ming)，(，)“(“)6(6)月(yue)7(7)日(ri)，(，)网(wang)上(shang)出(chu)现(xian)有(you)关(guan)该(gai)校(xiao)安(an)全(quan)与(yu)海(hai)洋(yang)工(gong)程(cheng)学(xue)院(yuan)毕(bi)业(ye)生(sheng)董(dong)某(mou)某(mou)的(de)网(wang)帖(tie)。(。)经(jing)查(zha)，(，)董(dong)某(mou)某(mou)与(yu)其(qi)在(zai)校(xiao)研(yan)究(jiu)生(sheng)导(dao)师(shi)无(wu)任(ren)何(he)亲(qin)属(shu)关(guan)系(xi)。(。)”(”)记(ji)者(zhe)发(fa)现(xian)，(，)该(gai)条(tiao)微(wei)博(bo)显(xian)示(shi)“(“)博(bo)主(zhu)已(yi)开(kai)启(qi)评(ping)论(lun)精(jing)选(xuan)”(”)，(，)无(wu)法(fa)查(zha)看(kan)留(liu)言(yan)。(。)