sieves的知识精选

“sieves”可以造什么句,sieves造句
Whichthreesieves?"Threesieves?Whichthreesieves?"themanaskedwithpuzzlement.“Normally,ourmemoriesarelikesieves,”hesays.Thetypicalandunconventionalpreparationmethodsofcarbonmolecularsieves(CMS)usedfo...
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