expandedadj.展开的；扩充的；扩大的动词expand的过去式和过去分词.expandv.使 ... 膨胀；详述；扩张；增加；张开expanding dowel张开销钉expand and fill拓展充实expanding shaft胀缩轴expanded centre空心, 放大中心图像部分expanding units扩机expanded sample扩大的样本Expand training拓展训练expanding chuck弹簧筒夹,胀开式弹簧筒夹Expanding angle膨胀角expanding metal膨胀合金(含铋合金, 冷凝时膨胀的金属)