如果動手能力前,能拆除金屬板,然後家裏有一個jaw horse, 可以用jaw horse看看能不能把金屬板壓平。
如果動手能力前,能拆除金屬板,然後家裏有一個jaw horse, 可以用jaw horse看看能不能把金屬板壓平。
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