A kind of simple manual rolling circularity die was introduced.介绍了一种简易手工卷圆模.The method of equivalency slope circularity approaching was presented for this.本文提出了一种用等斜率圆弧逼近复杂曲线的加工方法.Thrown when a circularity has been detec...
这样的地产是否可获得大笔收益还要视具体情形而定。Whether such properties are a good deal will depend on individual situations.在巴基斯坦政治历史上的这个紧要关头,一切皆非定数.Nothing seems certain in this crucial period in Pakistan's political life.至少有一个估价把总数定在了70...