释义 |
ultra fine短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 超细 Hydration of cement containing ultra/span> fine slag was investigated. The results show that ultra fine slag can enhance workability of fresh concrete, and increase strength of hardened concrete. 结果表明,超细矿渣粉不仅可提高新拌混凝土的工作性能,而且能大幅度提高水泥及混凝土的力学性能。 cnki Production of powder and pressing sinter are the key to the Production of ultra/span> fine cemented carbides , and the growing of crystals occurs in the process of sintering of ultra fine cemented carbides. 生产超细硬质合金的关键是粉末的制备和压坯的烧结,并且超细硬质合金在烧结过程中容易引起晶粒长大。 chemyq |