1安装环绕手柄：用预制锣丝将手柄两端分别固定后戴好保

    护罩。

    install the round handle：put on the protective

    cover after fixing both sides of the handle with

    the prepared screw．

    2整机放置要平稳，台面高度应小于0.75米

    put the machine stable and the height of the desk

    should be less than 0.75 metre．