national standards

national standards是什么意思、national standards怎么读
【化】 国家标准

national standards汉语翻译

【化】 国家标准
相关内容
international standards
International Standard Serial Number
American National Standards Institute
the international standards organization standard generalized markup
International Standards Organization
working standards
Video Electronic Standards Association
thermal standards
statement on auditing standards
statement of financial accounting standards
statement of auditing standards
standards of normal output
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