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In order to ensure engineering quality, the mix ratio test must be done strictly.
为了保证工程质量，必须进行严格的配合比试验。
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Typing actual value or "1" in order to measure the ratio of testing.
输入实测值或为了比率测定输入‘1’。
youdao
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Typing actual value or "1" in order to measure the ratio of testing.
输入实测值或为了比率测定输入‘1’。
youdao