双中英惯用短语:
| - 双投影测图仪 double-projection plotter
- 双投影直接观测立体测图仪 double-projection direct-viewing stereo-plotter
- 双投影立体测图仪 double-projection stereoscope plotting instrument
- 双投影绘图仪 twin projection plotter
- 双折射偏振器 birefringent polarizer
- 双折射光纤传感器 birefringent optical fiber sensor
- 双折射光纤滤光器 birefringent fiber filter
- 双折射解调器 birefringent demodulator
- 双折射连锁滤光器 birefringent chain filter
- 双折布抛光轮 double buff
- 双折窗 two fold window
- 双折门 two leaved door
- 双报警 double knock
- 双抱钩 calipers hook
- 双抱钩 clamp hook
- 双抱钩 clasp hook
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