经过二十多年的努力，摆式列车技术逐渐成熟并得到广泛运用。
By making great effort more twenty years, the titling technology is gradually matured and widely used.
经过二十来年的生产实践，水采技术不断完善和提高，收到较好的经济效益。
Over the past 20 -odd years, the mining technology has been continuously updated, bringing forth more favourable economic result.
经过二十多年的白天和黑夜，邮差的梦中城堡终于落成，辉煌壮观，童话在尘埃里落定，奇迹在平凡中惊现。
After 20 years of day and night, the postman dream castle was finally completed, spectacular, the fairy tale in the dust has settled, the miracle appeared in the ordinary.
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