双中英惯用短语:
| - 双水流太阳热量计 twin water-flow pyrheliometer
- 双水獭 Twin Otter
- 双汞混剂 Calo-gran
- 双汞混剂 Fungchex
- 双汽包锅炉 double-drum boiler
- 双汽缸发动机 double cylinder engine
- 双波纹式预热器 double undulated preheater
- 双波长激光二极管 dual wavelength laser diode
- 双洗面台 double washstand
- 双洞果岭 Double Green
- 双活塞 double-piston
- 双活塞杆油缸 double rod cylinder
- 双活塞泵 duplex piston pump
- 双活性区反应堆 two core reactor
- 双流体压力计 two-fluid manometer
- 双流再热冷凝式汽轮机 double-flow reheat-condensing steam turbine
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