With the riserheight increases, the mass fraction of heavy oil reduces, while the weight of gasoline, LPG, gas and coke has been increasing.
随着提升管高度的增加，重油的质量分率降低，而汽油、液化气、气体和焦炭的产率增加。
2
With increasing riserheight, the average solid holdup at various axial locations of the riser decreases and becomes more uniformly distributed along the riserheight.
提升管高度增加，提升管各高度截面上的平均固含率减小，其轴向分布也更加均匀。
3
Utilising the same sweep as the much liked riser, but without the rise, this is sure to be popular with those looking for a bit less height. Utilising.