(sh)ô
һһȵȫUUM(sh)Ҳ_ʼ!֪籣UM(sh)ôĆ?CN˲žW(wng)С籣UM(sh)Ӌ㷽ʽgӭx!
籣UM(sh)Ҏ(gu)t
1φT¾Y;
2T(ni)¹Y
ע(sh)Y(yng)ڻ錏ӋrL(fng)U
҇UЌٵػؿɸ(j)(dng)?sh)،Hrƶ(yng)kĿǰȫص籣UMkȫһͨλU{UMĻ(sh)ԭtһȱƽYA(ch)ڮ(dng)?sh)ƽY60%—300%ķ(ni)M(jn)к˶
һrUUM(sh)˶ʽ
U(sh)=
(ƽY≥)
U(sh)=ƽY
U(sh)=
(ƽY≤)
УUUM(sh)ͨ걾ƽY300%ͨ걾ƽY60%
e
ij걾ƽY3000ԪF(xin)мҡ˵ƽYքe1500Ԫ5000Ԫ10000Ԫt˱ȵUUM(sh)˶^£
(j)ȱƽYӋóUUM(sh)ޞ9000Ԫ(=3000×300%)ޞ1800Ԫ(=3000×60%)
ף1500<(3000×60%)ڼ'¾Yޣt˶;
ң5000λ18009000Ԫ֮gtH¾Y˶;
10000>(3000×300%)ڼĂ¾Yt˶;
ǣұ˱ȵUUM(sh)քe1800Ԫ5000Ԫ9000Ԫ
]x
λm̓UM(sh)ͶV
ӛ˽ĿǰI(y)(j)HͶS_ͱͽoUC(gu)I(y)ӳUC(gu)kUMr(yng)J(rn)UUM(sh)?“ڲҎ(gu)U{UMОκΆλ͂Й(qun)eU(jng)kC(gu)Ļ˲T(yng)(dng)reM(jn)лˡ”籣ֹˆTBfF(xin)Ҏ(gu)I(y)ĘI(y)ˆTԱ¾Y鱾UM(sh)Y~ڍƽY300%300%(sh);ڍƽY60%60%(sh)ÿI(y)UM(sh)r(yng)ͨ^˺ִ_J(rn)ʾl(f)F(xin)λδҎ(gu)oUUM(sh)YԴϾM(jn)ͶVČλUM(sh)M(jn)л_نλm̓UM(sh)ģ؟(z)λM(jn)
⣬աUP(gun)Ҏ(gu)I(y)(yng)U{헱U(zhn)B(yng)ϱUt(y)UʧI(y)UUUI(y)U{UMUM£B(yng)ϱU18%;t(y)U9%;U1%;ʧI(y)U1%;UИI(y)֞քeǣ0.2%0.4%0.7%0.9%1.1%1.3%1.6%1.9%I(y)ИI(y)(zhn)Mʅա(jng)(j)ИI(y)(GB/T4754-2011)Ҏ(gu)ИI(y)U{UMUM£B(yng)ϱU8%;t(y)U2%;ʧI(y)U0.5%r(nng)˲UMUU˲UM
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