国文屋有关perforations的精选知识
知识的精华会让学习更简单容易，热门的perforations鉴赏列表是专门提供perforations的相关精彩内容的地方，这里的perforations相关内容，小编都精心编辑，精选优质perforations的相关知识，分享一些perforations方面的精华知识。
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![“perforations”造句，怎么用perforations造句]( "“perforations”造句，怎么用perforations造句")
“perforations”造句，怎么用perforations造句
Anytapepuncherthatautomaticallytransformsencodedelectricalsignalsintoperforationsonpapertape.Thestyle,withroundperforationsintendedtoflushwaterfromtheshoe,wasinventedpreciselyfortheslosh.Squeezecement...
