shxһҪǹܟ
ːohͬrҲǽoԼʡXIһҪǹܟ
1.֮̎ƽ5СrM0.5 ԪӋ60WןMǣ[(604)/1000](5360) 0.5=216 ԪͬЧ11߹ܟrMsǣ[(114)/1000](5360)0.5=39.6Ԫһʡ170Ԫ
Ĺܟͨչ(늴ʽ)ɹs40% ЈϳҊ11W ܟ60W ן^ǰߵĹͨs600Lm Ч55Lm/W630Lm Ч11Lm/WɹͨஔЧ5ǰߵĹЧԶ
2.IğһҪǿԷֽMƵ
һK9^ôֳ3Mͨ^_Pxһ_3K6K9K@ӾЧʡ
rCߏSʾ
һҪIܟ
S{ȵğDzܰbܟݵܟһҪȥĽijIһ㽨ЈuĹܟЧһ㶼_