expandorn.扩张器
expandv.使 ... 膨胀;详述;扩张;增加;张开
expanded production扩大生产
expanding mechanism膨胀机理
expand to the North向北发展
expanded enrollment扩招
expanded employment扩大就业
expanded-pearlite膨胀珍珠岩
expand reproduction[经] 扩大再生产
expand the alliance扩大联盟
expanding advantage压缩利益
expander transducer扩展转换器