double PID双PID
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
Double electrical layers双电层结构
double-fined treatment双细化处理
double tail-fin thrust双尾推进
double voltage rectifier双倍压整流器
double-hole microshear双孔微剪切
double-proximity focus双近贴
double reverse flotation双反浮选
double star-quad cable双星形四心电缆
double-exposure device两次曝光装置(重拍机构)
double-ended magnetron双端出线磁控管