| 标签 | 内容长度 | 内容 | 优化建议 |
|---|---|---|---|
| 标题（Title） | 25 个字符 | ASTM International | ASTM | 一般不超过80个字符 |
| 关键词（KeyWords） | 264 个字符 | ASTM, standards, manufacturing, consumer products, business, industry, materials, testing, SDO, global standards, test methods, specifications, building codes, construction, petroleum, proficiency testing, international standards, standards training, certification | 一般不超过100个字符 |
| 描述（Description） | 231 个字符 | Over 13,000 ASTM standards operate globally. Defined and set by us, they improve the lives of millions every day. ASTM provides the standards and solutions you need to achieve the highest levels of quality, safety, and performance. | 一般不超过200个字符 |
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