1) grade of cement
水泥等级
2) Class A cement
A级水泥
3) G-grade oil-well cement
G级水泥
1.
This article introduces the composition of silicified G-grade oil-well cement, discusses the strength-degeneration mechanism of silicified G-grade oil-well cement at high-temperature and the mechanism of its silicification reaction and summaries the application of silicified G-grade oil-well cement at two deep-wells in Tu-ha olfield.
介绍了硅化G级水泥的组成，论述了G级水泥高温强度退化机理和硅化G级水泥硅化反应机理，并简述了硅化G级水泥在吐哈油田两口深井中的应用情况。
4) high-test cement
高级水泥
5) supercement
超级水泥
6) flood grade
洪水等级
1.
Classification of flood grades in mainstream of Jialing River;
嘉陵江干流洪水等级的划分探讨
2.
Three classification methods of flood grade;
洪水等级的三种划分方法
3.
The diversity of flood elements and complexity of flood are analyzed Two methods for classifying flood grades by flood recurrenceinterval or peak discharge of standard area are put forward in this paper And, the flood grades of the Yangtze River drainage basin in 1998 are analyzed
分析了洪水要素的多样性和洪水的复杂性,提出了利用洪水重现期划分洪水安全度等级和利用标准面积洪峰流量划分洪峰标准等级的两种方法,并对1998年长江流域的洪水等级进行了简要分析。
补充资料：硅酸盐水泥(见通用水泥)
硅酸盐水泥(见通用水泥)
portland cement
硅酸盐水泥portland Cement以硅酸盐为主要成分的水泥(见通用水泥)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条