It will continue to expand as major manufacturers develop a range of high-speed trains using technology based on non-fossil fuels.
这将一直持续下去直到非化石燃料的高科技高速列车生产出来。
It will continue to expand as major manufacturers develop a range of high-speed trains using technology based on non-fossil fuels.
这将一直持续下去直到非化石燃料的高科技高速列车生产出来。
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