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緊固件的完整標(biāo)記形式如下
1) —緊固件名稱;
2) —緊固件標(biāo)準(zhǔn)編號(hào);
3) —緊固件型式;
4) —緊固件規(guī)格、精度;
5) —緊固件型式與尺寸的其他要求;
6) —緊固件性能等級(jí)或材料和熱處理;
7) —表面處理
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