基本解释板岩粉词组短语短语slate waste powder 变质岩废弃物石粉slate powder更多词组专业释义土木建筑工程板岩石粉Based on the previous tests, the mortar containing slate powder has a good mechanics performance.结果表明,水泥砂浆掺入板岩石粉表现出很好的力学性能。经济学板岩粉