英语语法分析

The experimental results show that the total desanding efficiency of the improved cyclone desander is 91%.

试验证明，改进后的旋流除砂器的总除砂效率达到91%。

Heavy oil is very viscous, range of size distribution of sand is wide, which are technical problems of desanding process.

稠油粘度大，含砂粒粒径分布范围广，成为除砂工艺中的技术难点。

Mud mixing and shearing operations, desanding and desilting, degassing, supercharging, centrifugal feed, mud cooling towers, wash down.

泥浆搅拌及剪切、清砂及清淤、排气、增压、离心进给、泥浆冷却塔、冲洗。