double hit连击
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double-disk drill双圆盘开沟器的条播机
double lever shears双杆剪机
double oscillograph双电子束示波器
double-wide print双宽度打印
double loop network双环网络
double-point tool双刃刀具
double screen sizer双筛式分级机
double-large post双大邮裁
Double mitral valve双二尖瓣
double-tread tyre双胎面轮胎