题目：
装配后的螺栓、螺钉头部和螺母的端部（面），应与被紧固的零件平面均匀接触，不应倾斜和留有间隙。
答案：
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参考答案：A, B, C, D, E
装配后的螺栓、螺钉头部和螺母的端部（面），应与被紧固的零件平面均匀接触，不应倾斜和留
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