doublemakeadj.双闭合的doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double film theory双膜理论double-buffering双缓冲double earth fault双相接地故障double disk opener双圆盘开沟器double contraction双重收缩doubleness of love爱情的双重性Double-waveguide双层声波导Double tetrasomies双四体double roll method双辊压延法double acting pawl双动爪