prss.net
ǰλãҳ >> ɰʯ >>

ɰʯ

ɳʯ: 1.ɳʯӡ 2.ɳʯԭйĿǰھɽɽιרԱǵձרҡ޹أ ɰʯ: ָɰʯɢѧϣΪ0.0742mmĿʯΪɰ2mmijΪ...

ɰʯָɰʯɢѧϣΪ0.0742mmĿʯΪɰ2mmijΪڱĥԲ̶ȲͬϸɼҡɰңɰʯʯΪΪɰʯճҲ˽ɰҳΪɰʯ...

񽨶ɰɰˮɰɰʯϵȵȡϴҪ衣 ɳϣɳĮɳɳɳȵȡСһ㲻ڽɳӴɰӣˮǿȡ

֪ɰʯΪ0.59 ɰô? ɰΪ1ʯΪ1/0.59ɰ=1ԣ1+1/0.59=0.37

μJGJ190-2010̼鼼淶Ҫ һɰ 1ִб׼JGJ52-92ͨɰ׼鷽 2ΣӦʩֳѷŵͬأͬգ400׻600Ϊһ...

ɰʯɰӡʯɵġ밴һɵļϲſԺϳɺϸɰʯɰʯҪ;ǣ·Ļ··ʱʹáȶ;

ɰʯѻܶȺܶȡ:ɰ1550kg/m3,ɰ1550kg/m3,ϸɰ1400kg/m3,ɰʯ1550kg/m3,ʯ:1500kg/m3, صĸ: Ҳܶ,...

ڷúɽɰʯõӲȺȶĻѧʣΪʵĽϣúɽָɽʯԿʯԼΪʯͻԭϡϡԭϡͻϼǽú̿⣩Ŀɽ

ɰʣSP= ɰS/(ɰS+ʯG)100% ɰʯΪ0.59ɰΪ0.59/1+0.59*100%=37% ɰʵı䶯Ӱ°мϵļ䣬ʹϵĿ϶ʺܱкܴ仯°ĺԲӰ졣ˮཬһʱ...

񽨶ɰɰˮɰɰʯϵȵȡϴҪ衣 ɳϣɳĮɳɳɳȵȡСһ㲻ڽɳӴɰӣˮǿȡ

վҳ | վͼ
All rights reserved Powered by www.prss.net
copyright ©right 2010-2021
磬ַϵͷzhit325@qq.com