double fan双风扇,二联通风机
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double- reverse flotation process双反浮选
double barreled forced coring tools双管强制取芯钻具
double antibody radioimmuno-assay双抗体放射免疫测定法
double-bridge differential wiring双桥差接线
double-winding AC-DC generators双绕组交直流电机
double-base two-phase structure双基体两相结构
double-breasted shark-skin suit双排钮鲨鱼皮西装
Double-null Asymptotic Additivity双零渐近可加
double-shared double wheeled plow双轮双铧犁
double chamber sand blast apparatus[机] 复室喷砂装置