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患者，男，45岁，6|缺失，设计75|做基牙，固定桥修复。固位体和桥架用金合金分段铸造，然后焊接起来，在焊接过程中固位体不慎被烧坏。下列哪项不是焊料焊接中烧坏焊件的原因？（　　）

单选题
2021-07-17 21:52
A、砂料包埋时对细小焊件及焊件的薄边保护不够
B、焊料的熔点过高
C、焊料的熔点过低
D、焊接的火焰掌握不好，在某一局部加热过多，温度过高
E、焊料全部熔化后，没有迅速撤开火焰
查看答案
正确答案
C
试题解析
标签： 医药卫生类 中级 口腔医学技术(中级) 相关专业知识 专业知识 专业实践能力 2018年口腔医学技术中级职称考试【历年真题＋章节＋模拟试题】 第1章　口腔专业技术 2018年口腔医学技术中级职称考试题库【历年真题＋章节题库＋模拟试题】 第1章　口腔专业技术
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