英语语法分析

Hose corrugation designs include Standard Pitch, Open Pitch and Superflex.

波纹软管的设计包括标准波距，开阔波距和超柔韧。

If the period of corrugation is too small, the linearity of operating mode becomes very poor.

如果波纹周期太小，则工作模式线性变得很差。

The combination of corrugation and the circular tube results in an extremely strong structure.

波浪纸板和圆筒状两者结合，会成为非常坚固的构造。