doublelockvt.给 ... 上双锁(特别谨慎地上锁)doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double binocular tube双人双镜筒double umbrella skirt双大伞裙double-belt freezer双输送带接触式冻结器double-gene therapy双基因疗法Double phase steering双相位转向double moving average二重移动平均数,二重移动平均Double plate fixation双钢板固定double vibrator model双振子模型double-plugged cord两端插头引出式电线double esterase stain酯酶双重染色