astm american society for testing
... Society of Mechanical Engineers||美国机械工程师学会 ASTM American Society for Testing &; Materials||美国试验及材料学会 ATC Technical Committee of Petroleum Additive Manufacturers in Europe||欧洲石油添加剂制造商技术委员会 ..
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astm american society for testing
Astm美国试验学会
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Globally, the nonprofit group ASTM International (formerly the American Society for Testing and Materials) sets voluntary safety standards for the industry regarding design, manufacturing, maintenance and operations.
BBC: The human limits of roller coasters