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In the test, the strength grade of concrete is C20 and C60, and the cementitious system contains 10%, 20%, 30% and 40% of fly ash in accord with weight. 实验中应用的混凝土的强度等级分别为C20和C60，其中粉煤灰的掺量（胶凝材料的质量分数）分别为未掺、10%25、20%25、30%25、40%25。
The machine rests on a bed of concrete. 机器安装在混凝土基座上。
A low number; a low grade of oil. 一个小的数; 低级油
The statue rests on a bed of concrete. 这座雕像立在混凝土的基座上。
These buildings are made of concrete and steel. 这些房屋是用钢筋混凝土建成的。
The gravel ingredient of concrete. 石碴组成混凝土的砂料
Please advise the grade of fuel. 请问这是什么牌号的燃油?
I got a grade of 85% on the English test. 我英文考试得85分。
You should use a higher grade of gasoline. 您该用高档汽油。
He merits a grade of B on his composition. 他的作文分数应该得B。
Of the highest U.S. government grade of meat. 上等的特指美国政府规定的肉类最高等级的
A mold for the setting of concrete. 模板浇注混凝土的模板
This grade of wool can be sold at a lower price. 这种等级的羊毛可以以较低的价格卖出。
Reasonable Design of Concrete Strength Grade of R.C. Beam, Floor and Column 现浇钢筋混凝土结构梁板与柱混凝土强度等级的合理设计
The credit grade of bank in Jingdongfang is AAA. 京东方的银行信用等级为AAA。
Which grade of TPV is right for you? 如何选择合适的TPV牌号?
This kind of concrete sets quickly. 这种混凝土凝结得很快。
They set the pole in a bed of concrete. 他们把旗竿竖在水泥基座上。
The blocks should be laid on a bed of concrete. 石块应该固定在混凝土基座上。
Tomorrow can be a day of concrete acts. 明天这一天可以真枪实弹地干一下子。