单选题大型曲轴上产生较大或较深的裂纹时,可采用()修理。A焊补B金属扣合工艺C局部换新D换新
单选题
大型曲轴上产生较大或较深的裂纹时,可采用()修理。
A
焊补
B
金属扣合工艺
C
局部换新
D
换新
参考解析
解析:
暂无解析
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