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As to well with depth >m, the eligible ratio of steel wall wells was signif... 结论:使用钢管井壁材料并用粘土封闭井周,可以有效防止水氟含量的升高。
The problems of low qualification ratio of steel plate properties exist in production of SS 400 steel plate at AISC Wide and Heavy plate Plant. 鞍钢宽厚板厂在SS400钢板的实际生产中，存在着钢板性能合格率低的问题。
The thinning ratio of steel sheet located on radius was inverse proportional to the ratio of radius and thickness R/t. 圆角处的减薄率基本上与相对圆角半径R/t成反比;
The desulphurization ratio of the micro powder desulphurizer was 70% in small crucible,and the sulfur content of steel was 0 01% after treatment. 所制微粉脱硫剂在小坩埚中的脱硫率达70%25,钢水含硫001%25。
Effects on the creep and shinkage of loading-age, loading-rate, member thickness, surroundings relative humidity, and ratio of steel area to concrete area are taken into account. 该法可以考虑加载龄期、加载速度、构件厚度、环境相对湿度以及截面配筋率对收缩徐变的影响。
It's a bridge of steel framework. 那是座钢铁结构的桥梁。
A cargo of steel was lost at sea. 有一货轮的钢材在海上遗失了。
The price of steel jump sharply last year. 去年钢材价格急剧上涨。
The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
The ship was made of steel plates. 这船是用钢板造的。
The keel of the boat was made of steel. 这船的龙骨是钢制的。
Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
After analyzing deformation of each cirque, with combined cirque method, pressure-bearing ratio of steel lining and rock is obtained in the condition of coincident deformation among each cirque. 并利用变形协调条件，推导出各环变形的解析解，得到钢衬和围岩的压力分担比。
The results show that turbulence inhibitor has the functions of preventing sputter of liquid steel during casting, avoiding the reoxidation of steel, and decreasing the ratio of short circuit. 结果表明，湍流控制器可起到减小钢水喷溅、防止二次氧化和改善流体运动路线的作用，并减少短路流的发生。
Because the heat exchange ratio of steel is much lower than that of aluminum alloys,HAZ only occurs for high strength steels with much smaller width and strength reduction. 而对于钢结构,由于其热导率比铝材小得多,因此只有高强钢才可能产生强度降低的热影响区,而且其强度的降低没有铝合金显著,热影响区宽度也比铝合金小得多。
The factory is in great demand of steel to keep up production. 那个工厂需要大量钢铁以维持生产。
The ratio of men to women was two to one. 男女的比例是二比一。
The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
The strike is the ultima ratio of Trade Unionism. 罢工是工联主义的最后手段。