问题描述：
能否帮忙译下几个关于机械的参数英文
Shaft Diameter
Groove Diameter
Outer Diameter
Size Desigmation
Diameter of Contact Area
Basic Dynamic Load Rating
Shaft Diameter
Groove Diameter
Outer Diameter
Size Desigmation
Diameter of Contact Area
Basic Dynamic Load Rating
问题解答：
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