求翻译：严重段塞流长液塞的形成过程和分布方式，以及气液在各阶段内的流动形态和变化特性与无起伏情况相比都存在较大差异是什么意思？

Serious long slug slug formation and distribution, as well as gas-liquid flow in each phase change characteristics of shape and with no ups and downs are quite different compared to

The serious paragraph long fluid flow in the process of the formation and distribution, as well as modalities within the gas and liquid flow patterns in the various stages and variability when compared to the situation with no ups and downs, there is a relatively large differences

The serious slug flow long fluid fills the forming process and the distribution way, as well as were mad the fluid compares in various stages flow form and the change characteristic with the non-fluctuation situation all has the big difference

Severe slug flow in slug ways of formation and distribution for long, as well as gas-liquid in all stages of the mobility patterns and variations with no ups and downs than there are large differences

Serious long slug slug formation and distribution, as well as gas-liquid flow in each phase change characteristics of shape and with no ups and downs are quite different compared to