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单选题
828、Calculate the thickness of the shim as follows: t=f x-y s
A
The thickness of the shim is thus calculateD:t=x-y
B
The shim is t, which is thick by calculating x and y
C
Calculate the shim, the result of the thickness is x-y
答案解析
正确答案：A
解析：
解析:注释: shim 垫片,楔子 thickness 厚度。B,C 句子结构不对,直接排除。
相关知识点：
复杂结构同义多易混淆
