ëƬ޿_й򸾵潻߲_ɫۺŷ޹_ݱ̱̬߳ͼ - ޾þƵ-Ʒ˰,Ƶ,6699۲ݾþþþƷӰԺ,

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ИI(y)֪R
l(f)rg 2020-11-14

~xӾ۱ϩʹΑB(ti)

xӾ۱ϩʹΑB(ti) GB17514-2008xӾ۱ϩҪa(chn)ˮI(y)ͳˮ̎mXƂ^гҺxxͷƫߣҪˮҝҺ͑ҝԺƫҺЙCҝrǺy@Nrx;۱ϩЧM...

l(f)rg 2020-11-13

~ʷCбϳeصĺ̎

Cбϳeصĺ̎ ÷Cбˮ̎̎ʲô бܳeؾгeЧʸrg̡ռٵL̎\ڳˮijغСI(y)Uˮĸ͵A(y)̎M̎ð(wn)oҲ ʲôˮ̎Ķعˇк÷Cб CбϺ\ˮ...

l(f)rg 2020-11-13

~ʲ÷Cбϳصĺ̎ʲô?

÷Cбϳصĺ̎ʲô ÷Cбϳ̎ƽʽص 3-5 ٳغ}_ص 2-3 ֱֱҪVغ͸ؓVʽV͛]ʽVأַQ|أԼD(zhun)P΢dwI(y)ЙCUˮͳˮM̎ Cб ...

l(f)rg 2020-11-12

~ʷCбϰbf

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/

l(f)rg 2020-11-12

~ʷCбЩ̖​

CбЩ̖  Ҏ(gu) mm Ƭ mm ȱe m 2 /m 3 ϶ m 2 /

l(f)rg 2020-11-11

~ˎI(y)Uˮ̎۱ϩ

ˎI(y)Uˮ̎۱ϩ ˎUˮʲôa(chn)Ʒ̎D۱ϩ S҇I(y)İl(f)չˎUˮuɞҪȾԴ֮һ ̎ԓUˮǮ(dng)h(hun)oһy} ˎI(y)Uˮc҂ĹI(y)Uˮһ^y̎ďUˮ֮һˎI(y)UˮҪa(chn)Uˮϳˎa(chn)Uˮгˎa(chn)...

l(f)rg 2020-11-10

~̿ӢQ

l(f)rg 2020-11-09

~ʾۺȻXPACȷ

ۺȻXPACȷ (j)ճʹйwzȻXPAC,ϡጳҺwr,Y(ji)ˮ̎(jng)õۺȻXdzõĎ׷NۺȻXPACȷ,ϣ! Dһ,(j)ԭˮr,ʹǰСԇ^ˎ.СԇҺðȣW/W,һ25%.3%ҺQۺȻXPACw...

l(f)rg 2020-11-08

~ƤUˮ̎xӾ۱ϩ

ƤUˮ̎xӾ۱ϩ ۱ϩ֞飺xxӡx oҷxӾ۱ϩ̎ƤUˮă(yu)c xӾ۱ϩ ̎NˮЧڱoh(hun)ƤSa(chn)^Юa(chn)ˮˮĝȸߡAԏҸcƤӹ...

l(f)rg 2020-11-07

~ʾ۱ϩС̎

۱ϩС̎ ۱ϩ;VճȸڹI(y)ˮ̎аl(f)]ҪǹI(y)ˮ̎؂a(chn)Ʒʹû߰b^вСôk mȻ҂֪۱ϩǛ]жԵģһڲСĶ۱ϩҲfcƤw|ԓǺ?ھ׌...

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