求翻译：在设计中，计算侧重于单醚常、减压精馏塔及相关设备（换热器、泵、罐、管线）的计算，通过对间歇性操作的减压精馏塔的设计计算，得到了塔的物料衡算，热量衡算，简化计算得合适的理论塔板，转化为相应的填料高度，得到适合的塔径、塔高。以及满足要求的塔的附属设备。是什么意思？

In the design, calculations focused on the calculation of the single ether often, reduced pressure distillation column and related equipment (heat exchangers, pumps, tanks, pipelines) by vacuum distillation column design calculations for intermittent operation has been tower material balance, heat b

In the design, calculation of the single focus on economics, reducing pressure often refining tower and related equipment, heat exchangers, pumps, tanks, pipelines, and through the calculation in the intermittent operation of the pressure of the refining tower design calculations, material by the To

In the design, the computation stresses on the monoether often, the reduced pressure rectifying tower and the correlation equipment (heat interchanger, pump, pot, pipeline) the computation, through to the intermittent operation reduced pressure rectifying tower design calculation, obtained the tower

In design in the, calculation focused on Yu single ether often, and decompression distillation column and the related device (heat exchanger, and pump, and tank, and pipeline) of calculation, by on intermittent sexual operation of decompression distillation column of design calculation, are has Towe

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