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.
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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