英语语法分析

In the class, a teacher should be a conferrer or a guider who teaches us new knowledge or lead us to think about.

在课堂上，一位好老师应该是授予者或者引导者，他能够教给我们新的知识，也能引导我们去思考问题。

The leveler is composed with guider-in device, the drive roller, both sides adjustable guide device and leveling roller etc.

矫平机由板料导入装置、引板驱动辊、两侧可调的导向装置、矫平辊等组成。