expandv.使 ... 膨胀;详述;扩张;增加;张开
expand ratio放尺率
Expanded air膨胀空气
expanding tap可胀丝锥,可调丝锥
Expander tool扩径头
expand shares扩股
expanded clay膨胀粘土
expand on sth阐述, 详谈
expanded pile伸缩杆
expanded flow扩张流
expand a shop扩大商店