ZİYF(xin)
rZ(ni)Ⱦ߿ڷ鲻ܳrڷ(ni)ͬȺrZڳr23_ʼl(f)10_(d)߷3ԺѸ½Y鼱ϡɫST܇ȾqëճY(ji)TrżSyl(f)Û´ëɁyܛ47죬ʿ_(d)70%90%L1ʵĸߵcrZgB(yng)īкܴP(gun)ϵ^ZZɞ鎧ZȱYF(xin)LݡؚѪa(chn)
ӷZ
(1)÷rN횁ԽZȺǰO(sh)ͷNM(jn)ЏصrҺþʹǰҲM(jn)
(2)M(jn)rZrҪxB(yng)ҪcؽZȺͬroԱҪˎ_J(rn)Ⱥ
(3)-ZȺаl(f)rҪøxZZB(yng)rZM(jn)ˎA(y)rM(jn)ˎίrrٟ̽
(4)ˎx
`0.02%-0.04%ϻˮһgB2
ڻǰЧ0.02%(chung)JB2ܡ
ù0.3%ϻùÿǧ10졣
ܴvˮ1020ÿֻZÿ0.5lmlÿ4B3
ݑcù1500λֻˮ5