表示封四的英文单词

“封四”对应的英文单词有：back cover ，一共1个，具体意思及用法如下：

back cover后壳，后罩

与封四相关的短语

封面/封四front/back cover

封四焊back run welding

彼刻入书的图书里封四outside of back cover

苯封四聚苯胺Phenylcapped aniline tetramer

封底、封四、底封Back cover

反转辗转式封四机rotary end-sealing machellone

六封四闭six sealing and four closing