英语词汇“waterproof portland cement”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	waterproof portland cement
释义	waterproof portland cement waterproof portland cement A portland cement interground with a water-repellent material such a stearate (e.g., sodium or aluminum); reduces capillary water transmission under little or no pressure but does not completely stop water-vapor transmission.
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