ǰԣ{Ǵ̈e^֘SS늈ĆԪڿM֧H{ռȥ60%ңнɱM
S˂|IJ{đVռ{ϵyܺҲӣ{ϵy\ܺǴҪܺĭh
ůͨ{I{ܼgͬr{{ܸOӋsܵҕɴԴMдߌӽM{̹cܺľ@ʮҪ
{ҪOLCˮԹѷDz׃l׃lеă{IʿA
ˮ{ϵy׃lܸ죺oՓ廯䇙CM()CM{ϵyCЙCMCĽMܿƣ@ֵijɱஔߵģsͨ˺ҕˡԲ׃lƙCˮ늙Cs늙CΡЧĹܴʩһr20%~50%ÿɹʡCMϵy\Mõ12%~20%
{ϵyĩO׃LCM׃lƣ׃LCMҲ{ϵyҪĽMɲָ֣(L)ăӣ׃LCMҪ߀ȡQڿƵģʽƷ|׃l{ķʽȵĝM׃LCML{ҪЧ@weСɿԷԸ
һƪ
ϺY | ô܉Iʡ늵Ŀ{
һƪ
ϺY | M{ϵyܸʲô̎