If the filament transformer has a center tap, don 't use it.
如果变压器灯丝绕组有抽头，请不要使用它。
Joan: it can be a powerful tool, but many people just don "t have the skills to use it well."
琼：它可以是一种强大的工具，不过很多人就是缺乏技巧，不会好好使用它。
When you make a mistake, cross it out; don; 't use parentheses.
当你写错时，把它划掉，不要用。
In contrast, don "t dispute, it may have many precious, these are unable to use money to measure."
与之相反，不计较，则能够让人拥有很多珍贵的器械，这些都是无法用金钱去权衡的。
It is better to write in regular, not very sophisticated English, than to use phrases or structures you don "t fully understand."
最好用常规的，不复杂的英文写作而不是用那些你自己都不完全懂的词组或句型结构。
It is better to write in regular, not very sophisticated English, than to use phrases or structures you don "t fully understand."
最好用常规的，不复杂的英文写作而不是用那些你自己都不完全懂的词组或句型结构。
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