fractions的知识精选

“fractions”可以造什么句,fractions造句
Molefractionsorratio,butit'sgotunits.yBSointhegasphase,we'vegotmolefractionsyAandyB.Erodiblesoilfractionsareusuallydislodgedfromprojectionsandtrappedindepression.Thistrickcansaveyoumicrosecondsorfra...
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