释义 |
screeding compound 基本例句 混凝土 Compound Concrete Umbrella Base, Which Are Water-Resistant, Fireproofing, Pressure Resistant, And Rust Proofing.复合混凝土伞基地,其中有耐水,防火,耐压,防锈打样。 Activity of CFB fly ash was excited by compound activators and the experiment of replacing cement by quantities of CFB fly ashes in concrete was introduced.摘要介绍了采用复合激发剂,对流化床飞灰活性进行激发,在混凝土中以流化床飞灰大掺量替代水泥的试验研究。 |