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苏联研制成功的太阳能拖拉机,由顶棚太阳能电池供电,做为拖拉机动力源。 英国研制的太阳能抽水机,每天可抽取60吨水。
The Soviet Union developed a successful solar tractor, powered by a roof solar cell, as a tractor power source. Developed by the United Kingdom solar pump, pumping 60 tons of water per day.