mͨya(chn)Ʒ ͨyһNͨĻD(zhun)y,OͨyyоLͺTԝM㲻ͬa(chn)ˇҪͨyԸ(j)ҪκһڻLynjlܵеăɗlܵMгTyF(xin)lBͨܵMкc 늄OyڹI(y)ϵy(tng)Уʽ늄ӈ(zh)ЙCͨyM늄ӈ(zh)ЙCͨy(q)bԴͨ늕r 늄ӈ(zh)ЙC0900D(zhun)ʹͨyP_λõ_Pλ_ܵ(ni)|(zh)F(xin)ͨДࣩM㲻ͬšҪԔҊD늄ͨyЃɷNʽyоLͺTɌF(xin)ɷNͬĿҪD ͨyһÃyY(ji)DAʾɷNrxÃyLͽY(ji)Q44ͣDBТٺ͢܃ɷNrxÃyTͽY(ji)Q45ͣDBТں͢ۃɷNrxyTͽY(ji)Q45ͣrҲxyY(ji)ӆ؛ͬעyY(ji) yTԇ Ҫ㲿 ض μBӳߴ עٿsysȫͨy7080 ڱԷ֔(sh)ʾӞJB/T7490ϵ2ߴ(ͬԭеJB7490-59ijߴ) ĸJB/T7490ϵ1GB9129131(PN1.64.0MPa)HGJ4476ߴ ܿɰ͑Ҫx늄ӡҺ{(dio)(ji)͡늄{(dio)(ji)
mͨya(chn)Ʒ
ͨyһNͨĻD(zhun)y,OͨyyоLͺTԝM㲻ͬa(chn)ˇҪͨyԸ(j)ҪκһڻLynjlܵеăɗlܵMгTyF(xin)lBͨܵMкc 늄OyڹI(y)ϵy(tng)Уʽ늄ӈ(zh)ЙCͨyM늄ӈ(zh)ЙCͨy(q)bԴͨ늕r 늄ӈ(zh)ЙC0900D(zhun)ʹͨyP_λõ_Pλ_ܵ(ni)|(zh)F(xin)ͨДࣩM㲻ͬšҪԔҊD늄ͨyЃɷNʽyоLͺTɌF(xin)ɷNͬĿҪD