A.來水少B.發(fā)電少C.水位低D.蓄水少
A.雨前預(yù)報(bào)B.雨中預(yù)報(bào)C.雨后預(yù)報(bào)D.退水預(yù)報(bào)
A.中長期預(yù)報(bào)作指導(dǎo)B.氣象預(yù)報(bào)作準(zhǔn)備C.落地雨預(yù)報(bào)作依據(jù)D.天氣預(yù)報(bào)做依據(jù)
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