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钢铁标准
met.
iron and steel standard
(【技】对钢铁产品及其生产、贸易、检测等有关事项作出统一规定并实施标准化的技术文件。大多数国家都有自己的钢铁标准。我国的钢铁标准分为国家标准、部颁标准和企业标准。)
钢铁 标准
:
8 phrases
in 3 subjects
Earth sciences
1
General
1
Metallurgy
6
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