Aimed at the production characters and problems which exist in gasoline fractionator in large-scale ethylene units, high strength three-pass tray technology is exploited.
针对大型乙烯装置汽油急冷生产特点和存在的问题，开发了大型乙烯装置汽油急冷高强度三溢流塔盘关键技术。
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These days, the internal-combustion engine applied in the agricultural machinery, such as plant protecting machine, horticultural machine, are mainly small-scalegasoline.