double saw复齿锯
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double-Gauss derivatives双高斯型物镜变型
double sampling inspection二重抽样检验
double-major development双专业开发
double marginalized people双重边缘人
double -quality teachers“双师素质”教师
Double Ninth Festival poem重阳诗
double pour cast iron roll双层铸铁轧辊
double eccentric connector双偏心连接器
double-barrel carburetor双腔化油器
double object constiuction双宾语结构