各液环厚度可通过不同直径的溢流板调节。
Each liquid ring by different thickness of the overflow of the board adjustment in diameter.
熔化的金属溢流到外面的板石上。
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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