In many cases, a rectifying column with reflux is used to improve the performance of the batchstill.
在许多情况下，用带有回流的精馏塔以改善间歇釜的分离性能。
2
The heaviest of heavyweights in the all-in-one field has seen another update, another batch of new internals to liven up the aging (but still classy) chassis.
最重要的一体机领域迎来了又一个更新，一种新型的内部结构使得旧款（仍然经典）架构更加犀利。
3
On 31 December last year, the last company still making the video tapes shipped its last batch.