ksi的知识精选

“ksi”可以造什么句,ksi造句
"Nickel-platedductileiron--Nickelcoatingshavereceivedwideacceptanceforuseinchemicalprocessing.Thesecoatingshaveveryhightensilestrength,50to225ksi."Ka??dyprzecie??poczatek每个开始totylkociagdalszy,毕...
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