打死我都不信這些是中學生!!太正了!!第八位身材太op了...
ISO 965 - Wikipedia, the free encyclopedia打死我都不信啊!!ISO 965 (ISO general purpose metric screw thread—tolerances) is an International Organization for Standardization (ISO) standard for metric screw thread tolerances.[1] It specifies the basic profile for ISO general purpose metric screw threads (M) conform...
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