如左图所示的工件,其俯视图正确的是()https://assets.asklib.com/psource/2016071717131041403.gif

A . A、https://assets.asklib.com/psource/2016071717134446797.gif B . B、https://assets.asklib.com/psource/2016071717135252795.gif C . C、https://assets.asklib.com/psource/2016071717135941844.gif D . D、https://assets.asklib.com/psource/2016071717140563239.gif

时间:2022-09-12 00:41:31 所属题库:通信原理题库

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