单项选择题X 纠错
A.毛刺B.轻度锈蚀C.锐边D.裂纹
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单项选择题
A.2-2.5B.2-3C.3-3.5D.3-4
A.2B.8C.4D.6
A.2B.3C.4D.1
A.0.3,0.1B.0.1,0.3C.0.2,0.2D.0.1,0.2
A.229.90-217.03B.238.065-238.195C.216.97-217.10D.238.135-238.265
A.229.75-230.03B.229.75-230.08C.249.75-250.40
A.20,149.967-150.017B.20,129.950-130.000C.15,149.967-150.017D.15,129.950-130.000
A.0.20~0.39B.0.20~0.29C.0.29~0.39D.0.20~0.30
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