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KͿװֿײƷ

ʱ䣺2024-07-10 14:54:11107
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׼GBT 2624.22006
ͺţDN15DN1000
׾(=dD)=02075
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ѹ0.63.2Mpa)
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1ڳ˹·аװװʱװĿ׿ܵͬģܵߴֱƫĶС2%
2װװĹܵڱڣڿװǰ2DDΪܵھΧڣӦ͹ƽ͵Ƭȡ
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עʱ䣺20150703
UID:220452
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