单词	disk envelop
释义	disk envelop 软盘纸套
随便看	comparison detection comparison diagnosis model comparison discriminant comparison domain comparison element comparison equipment comparison error comparison experiment Comparison experiment of varieties Comparison experiments comparison expression comparison eyepiece comparison film comparison for calculation methods comparison for the sameness comparison frequency comparison frequency of Decca comparison fuel comparison function comparison functor comparison goniometer comparison group Comparison,Husband-Wife comparison index comparison indicator