问题描述:
英语翻译
In live steam models,copper or brass is often used because it is more easily fabricated in smaller size boilers.
里面的live steam
最好有全句翻译
In live steam models,copper or brass is often used because it is more easily fabricated in smaller size boilers.
里面的live steam
最好有全句翻译
问题解答:
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