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之五、交通运输 铁路复线、电气化里程、自动闭塞线路、高度集中的线路占营业线路总长的比重,我国分别为26.6％、22.7％、16.6％、2.5％;而前苏联分别为42.1％、43.9％、67.4％、27.1％;日本的相应比例则更高。我国蒸汽机车仍占机车总量35.3％,而世界先进国家已停止使用。我国铁路特快列车的平均时速一般低于70公里,最近开通的北京北戴河高速列车的时速也只有130公里左右,而纵横法国境内的高速列车TGV的商业运营速度达300/小时、最速可以达到500多公里。 我国货车载重量平均每辆只有57吨,
Fifth, the proportions of double-tracked railway lines, electrified mileage, automatic blockades and highly concentrated lines in the total length of business lines accounted for 26.6%, 22.7%, 16.6% and 2.5% of the total in our country respectively while those in the former Soviet Union were 42.1% and 43.9% respectively %, 67.4%, and 27.1% respectively; the corresponding proportion in Japan is even higher. China’s steam locomotive still accounts for 35.3% of the total locomotives, while the advanced countries in the world have stopped using them. The average speed of China’s express train is generally less than 70 kilometers per hour. The recently opened Beijing Beidaihe high-speed train has a speed of only 130 kilometers per hour. The high-speed TGV in France runs about 300 hours per hour and the fastest speed can reach over 500 kilometers Km. China’s truck carrying an average of only 57 tons per vehicle,