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当前学科:高级车辆钳工(货车)考试
题目:
单选
铸钢侧架弯角处以外部位的横裂纹长度不大于裂纹处断面周长的()时焊修。
A . A、0.2
B . B、0.3
C . C、0.4
D . D、0.5
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