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DE?? ???
?? 5??? ?? ???? ??? ??? ??.
?? ???? ?? ???? ??? ??? ??? ????: ?? ??.
American Society for Testing and Materials (ASTM), ?? ???
Association Francaise de Normalisation, ?? ???
International Organization for Standardization (ISO), ?? ???
- ISO 18082:2014 ?? ? ?? ?? ??? ??? NIST(Non-Interchangeable Threaded) ?? ??