隙卡沟的正确宽度为 A.0.5~0.6mm B.0.6~0.7mm C.0.7~0.8mm D.0.8~0.9mm E.0.9~1.0mm

admin2012-04-07  34

问题 隙卡沟的正确宽度为
A.0.5~0.6mm
B.0.6~0.7mm
C.0.7~0.8mm
D.0.8~0.9mm
E.0.9~1.0mm

选项 A、 
B、 
C、 
D、 
E、 

答案E

解析
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