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Present standards set at home and abroad don′t definitely specify suitable experimental conditions.
目前国内外已制定的标准,均没有结合所用试验装置明确规定出合适的试验条件。
youdao
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Present standards set at home and abroad don′t definitely specify suitable experimental conditions.
目前国内外已制定的标准,均没有结合所用试验装置明确规定出合适的试验条件。
youdao