英语词汇“ball-penetration test”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ball-penetration test
释义	ball-penetration test ball-penetration test An ASTM test method used as a measure of the consistency of concrete; a metal weight having a hemispherically shaped bottom is placed on the smooth level surface of the concrete, and the depth to which it sinks is measured.
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