hˮ̎ʯӢɰSlȸxg[^˾˾xӿˮ̎ϏS2018ˮ̎жĘI͑ṩOӋbһlա ˾kַλںʡxoԭݡ
ʯӢɰVDzȻʯӢVʯˮϴYxɡκYxɵһNˮ̎V;õʯӢɰVҪЃɷN:һNͨʯӢɰ;һNǾϴɰʯӢɰVϾ:ӲȴgԺܶȴCеȸʹLcǻWˮ̎ Ҏ0.5-1.0mm 0.6-1.2mm 1-2mm 2-4mm 4-8mm 8-16mm 16-32mmҲɰ͑ҪӹҎ.
ʯӢɰVϼgҪ
AʯӢɰVϙCеȣʺĥp֮Ͳ1.5%ٷֱȰӋ
BʯӢɰVϻW|ҊĸЙCs|VϵˮҺк|
CʯӢɰVʯӢɰܶȲС2.55g/cm3
DʯӢɰVϵƟpز0.7%ʲ1.5%
EʯӢɰVϺ1%ܶС2g/cm3p|ĺ0.2%
FʯӢɰV^ʶǪйɵľwΌӻpӞVϵһ0.5-1.2mmӞVϵһ0.5-0.8mm
GʯӢɰVСӋ3%2%
ʯӢɰ^VȥˮБҸ^Чķ֮һˮ̎ˮúͽoˮ̎ҪĆԪnjˮѽȾMһȥͨ^VϵĽã_ˮĿ
ʯӢɰˮ̎Vϵđ
ӞVϞVʯӢɰpӞVϵʯӢɰСʯӢɰ֮߀һӸ|oúVϣlͬVٸһЩrӞVϞVصĞVˮˮ|pӞVϞVصˮ|ʹʯӢɰĕrMʹ
ʯӢɰVϣҪˮ̎궼]}ֻҪֹʯӢɰʧȾ˲Ҫoˮ̎Mк߅ˮеȾオ
ʯӢɰˮIaˮԼNͨVغˮ^VʯӢɰVA̎ϵyCе^VʯӢɰV϶|^VʯӢɰVһwˮӆ؛֪ӆ؛_бϵҎ xͣҪxm̖
hˮ̎ʯӢɰSl
һƪHˮ̎ʯӢɰļҺ