题目内容

烤瓷合金在预氧化过程中形成一层氧化膜,该氧化膜与瓷产生的结合力为

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中度高渗性失水时,失水量相当于体重的

A转移焊接法
B前焊接
C后焊接
D离模焊接法
E连模焊接
适用于铸造全金属桥的焊接方法是

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Women not in immediate physical danger were considered privileged enough and therefore not

A. assigned to
B. involved in
C. associated with
D. entitled to

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