同时也要记住，如果你的鼠标有滚轮，按住滚轮或者空格键都可以使用抓手工具。

Also keep in mind you can hold the Space Bar or the Scroll Wheel button if you have one on your mouse to enable the Hand Tool as well.

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金刚石修整滚轮是新一代的砂轮成型修整工具，在成型修整砂轮方面具有高效率、高精度及高成型度的优点。

Diamond dressing roller is a new kind of diamond tool for profile dressing of grinding wheel during form grinding.

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