基本解釋[土木建築工程]不透水系數(shù)英漢例句雙語例句The compactness of concrete is an important factor that affects concrete's durability and impermeability.混凝土的密實(shí)度是混凝土耐久性及抗?jié)B性的一個(gè)重要指標(biāo)。impermeability factor更多例句專業(yè)釋義土木建築工程不透水系數(shù)