在此基础上对原有工艺和新工艺精馏塔板进行设计，塔板选用近年来广泛应用的新型多溢流复合斜孔塔板。
The trays in the distillation column were designed with new multi overflow compound slant hole trays commonly used in the recent years.
在此基础上对原有工艺和新工艺精馏塔板进行设计，塔板选用近年来广泛应用的新型多溢流复合斜孔塔板。
The trays in the distillation column were designed with new multi overflow compound slant hole trays commonly used in the recent years.
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