ˮԴȱˮǵϿԴõ豸֮һ,Ǽ̹¯ȼˮˮ̫ˮ֮һˮȡ豸ԴصĽ,ˮԴȱˮƾЧܡȫѸгϵõƹӦá
濨ŵѭԭ,Ϊ,Ϊ,ԴԴϵտõĵƷ(-7--43),תΪõĸƷλ,ɵܵת;ٽƷλͷŵˮȡˮ(60),ˮ·ûˮů
ˮˮϵˮԴȱˮ顢ˮ䡢ˮüӦܵŵɡˮһѹˮʡ豸ѹҺޡˮ·ڷɡ

ͬ:һֳʼ¶Ϊ20ˮм,ʹˮ55ʱ,ˮԴȱˮܺķýȼ()¯25%;ǵ¯21%ҡ
ÿˮ䱸ר˰,ҰȫܸοԻκȾ
ֱѭˮ::ݡƵꡢѧУɣáˮƵȡ
ɫ:
ֱȲˮ,ѭ,ȫ24Сʱˮ
ȫ,Ϊܹƽ̨ˮ¶40-60趨ˮˮλڵڡʱ趨
,滮װݹ,ֻͬͻֻ֮ͬϡ