This is important because a high pressure drop would mean that more energy is required to drive the vapour up the distillation column.
这一点很重要，因为如果压力下降太大，就意味着需要更多能量来推动蒸气上升。
Experimental results showed that the circumfluent hydrocyclone with a separate column has the highest collection efficiency and the lowest pressure drop.
实验结果表明，带分离柱的环流式旋流器压降最低，效率最高。
The system measures pressure drop through the material column to determine the onset temperature for the sintering of bituminous rock.
根据达西定律设计了沥青岩输送特性实验系统，该系统利用压降法测量沥青岩的初始粘结温度。
The system measures pressure drop through the material column to determine the onset temperature for the sintering of bituminous rock.
根据达西定律设计了沥青岩输送特性实验系统，该系统利用压降法测量沥青岩的初始粘结温度。
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