双中英惯用短语:
| - 双重系统（有两个层次的）. a two-tiered system, ie one with two distinct levels
- 双重绝缘的 double insulated
- 双重绝缘的设备 double-insulated appliance
- 双重绝缘通用手电钻 double insulated universal hand electrodrill
- 双重茧层 double layered cocoon
- 双重蒸馏水器 aqua bi-distilling apparatus
- 双重螺旋弹簧 nest spring
- 双重螺旋起重器 telescoping jack
- 双重诈术（如告诉敌手实情而料其会以真为假）. clever deception, eg telling an enemy the truth while knowing that he will assume you are lying
- 双重读数放大器 dual sense amplifier
- 双重调性 bitonality
- 双重调节器 double governor
- 双重货垫 cross dunnage
- 双重轨制 two-tier system
- 双重轨制 double-track system
- 双重远心透镜 double telecentric lens
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