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Cбϳeصĺ̎ ÷Cбˮ̎̎ʲô бܳeؾгeЧʸrgռٵL̎\ڳˮijغСI(y)Uˮĸ͵A̎Ṃ̎ð(wn)oҲ ʲôˮ̎Ķعˇк÷Cб CбϺ\ˮ...
÷Cбϳصĺ̎ʲô ÷Cбϳ̎ƽʽص 3-5 ٳغ}_ص 2-3 ֱֱҪVغؓVءʽV͛]ʽVأַQ|أԼDPdwI(y)ЙCUˮͳˮM̎ Cб ...
Cб bʽf 35mm Ƭ0.5mm 1 40Ƭ 50mm Ƭ0.5mm 1 30Ƭ 80mm Ƭ0.5mm 1 20Ƭ Cб b 35̖ 40Ƭ/ 50̖ 30Ƭ/ 80̖ 20Ƭ/
CбЩ̖ Ҏ(gu) mm Ƭ mm ȱe m 2 /m 3 ϶ m 2 /
ˎI(y)Uˮ̎۱ϩ ˎUˮʲôa(chn)Ʒ̎D۱ϩ S҇I(y)İl(f)չˎUˮuɞҪȾԴ֮һ ̎ԓUˮǮh(hun)oһy} ˎI(y)Uˮc҂ĹI(y)Uˮһ^y̎ďUˮ֮һˎI(y)UˮҪa(chn)Uˮϳˎa(chn)Uˮгˎa(chn)...
ۺȻXPACȷ (j)ճʹйwzȻXPAC,ϡጳҺwr,Yˮ̎(jng)õۺȻXdzõĎNۺȻXPACȷ,ϣ! Dһ,(j)ԭˮr,ʹǰСԇ^ˎ.СԇҺðȣW/W,һ25%.3%ҺQۺȻXPACw...
ƤUˮ̎xӾ۱ϩ ۱ϩ֞飺xӡxx oҷxӾ۱ϩ̎ƤUˮă(yu)c xӾ۱ϩ ̎NˮЧãڱoh(hun)ƤSa(chn)^Юa(chn)ˮˮĝȸAԏߡҸcƤӹ...
۱ϩС̎ ۱ϩ;VճȸڹI(y)ˮ̎аl(f)]ҪãǹI(y)ˮ̎a(chn)Ʒʹû߰b^вСôk mȻ҂֪۱ϩǛ]жԵģһڲСĶ۱ϩҲfcƤw|ԓǺ?ھ...