̽ӑv͞VصO(sh)Ӌcʩ
V ͞Vһ׃ˮλ^V,M(jn)ˮ̎(yng)O(sh)߰,òÿ{(dio)ʽV ͞VصĴVˮһͨ^M(jn)ˮ(jng)ɂƤygһzҿƵıϴM(jn)ˮM(jn),ͨ^Ƀɂ(c)(jng)V ͲVءڹау߅ĚƤyȡ,gһtĞc(din)λy,^VryTȫ_,ϴ_AP(gun)],ˮ_ϴˮ_ϴAl__ϴˮ{(dio)(ji)λ(ԓλÿɸ(j)ϴ(qing)ȁ{(dio)(ji),O(sh)M(jn)ˮl_߶Ȟ220 mm ,(jng){(dio)ԇ̶) VصM(jn)ˮlTһÚӻ늄l,ܷҪӭˮ©ʧ< 0. 021L/ (sm2) lܷlcٿܡرֱB,ܷlĺֻ10 mm ,a(chn)`,©ˮlֱȲʩr,ڰblIJλO(sh)30 mm ƽ,߀M(jn)ˮ̎O(sh),ˮ߰tĿgԝMߺˮ,_Śܳژ(bio)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߶_(d)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(bio)O(sh)ȷ_ϴˮλ1. 22. 0 cm(sh)H\(yn)б,_^Юa(chn)ĜҺĭϴɃ,Чݿ嫭h(hun)Ƽ˾
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