Guest
Record your races with a typeracer account:
Create Your Account- Save your race history and scores.
- Customize your profile and racecar.
- It’s free, why not?
Text Details
 
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所有打字机进行了调整，6类线的从上到下英寸。您应该留下的一个半英寸（9条）边距。
— Touch Typing Made Simple (1985) (触摸打字变得简单（1985）)
 (book)
by Lillian S. Marks
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| Language: | Chinese |