̽ӑv͞VصO(sh)Ӌcʩ
V ͞Vһ׃ˮλ^V,Mˮ̎(yng)O(sh)߰,òÿ{(dio)ʽV ͞VصĴVˮһͨ^Mˮ(jng)ɂƤygһzҿƵıϴMˮM,ͨ^Ƀɂ(c)(jng)V ͲVڹау߅ĚƤyȡ,gһtĞcλy,^VryTȫ_,ϴ_AP(gun)],ˮ_ϴˮ_ϴAl__ϴˮ{(dio)(ji)λ(ԓλÿɸ(j)ϴȁ{(dio)(ji),O(sh)Mˮl_߶Ȟ220 mm ,(jng){(dio)ԇ̶) VصMˮlTһÚӻ늄l,ܷҪӭˮ©ʧ< 0. 021L/ (sm2) lܷlcٿرֱB,ܷlĺֻ10 mm ,a(chn)`,©ˮlֱȲʩr,ڰblIJλO(sh)30 mm ƽ,߀Mˮ̎O(sh),ˮ߰tĿgԝMߺˮ,_Śܳژ˸ˮλ֮
Vؚˮ_ϴO(sh)ӋҎ(gu)(CECS50 :1993) Ҏ(gu):ϴˮˮˮĴֱx,һɞ150 mmˮSԭVؾ͓(j)O(sh)Ӌ,ϴrl(f)F(xin)͛]ˮ^,ɒϴȲʹ_ϴ^̮a(chn)ĜҺĭճڳر,^ܲһ,V ͲےϴăHȞV0. 25 m ,ˮ0. 15 m ,ڷ_ϴrMܞVֻÛ,Û߶_0. 100. 125m(Ûʰ8 %10 %Ӌ) ,ʹV ͲےϴăH߳VÛs0. 150. 125 m ,ˮˮ0. 2 m@Nr,ϴijˮ_ˮӵв,СVϛ_ˮ,ɞVAб(j)|(zh),ҪʹϴЧфtԓÞ͛],ڹO(sh)Ӌ,ˮĘ˸O(sh)ȷ_ϴˮλ1. 22. 0 cmH\б,_^Юa(chn)ĜҺĭϴɃ,Ч롣ݿ嫭h(hun)Ƽ˾
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