基本解释板巖粉词组短语短語slate waste powder 變質巖廢棄物石粉专业释义土木建築工程板巖石粉Based on the previous tests, the mortar containing slate powder has a good mechanics performance.結果表明,水泥砂漿摻入板巖石粉表現出很好的力學性能。經濟學板巖粉