Success is not final, failure is not fatal: it is the courage to continue that counts.--Winston Churchill成功不是终点，失败也并非末日，最重要的是继续前进的勇气。In 1945, Winston Churchill was defeated at the polls.温斯顿·丘吉尔在1945年的大选中被击败。"Some people ...
本文着重阐述了渐开线齿轮齿根过渡曲线的确定以及使用微机设计齿轮指形铣刀样板的方法.It is rapid and accurate in design and drawing the finger milling - cutter templet with CAD.门式折叠是两次折叠, 它由样板的宽度来决定.The gatefold is a double fold, and is determined by the width of ...
Inscrutable are the ways of Heaven.天道难知.When Hanson came home he wore the same inscrutable demeanour.汉生回到家里,脸上仍是一副莫测高深的表情.Of course , to naive girls like myself , you're inscrutable.当然我们不知世事的女孩子, 莫测高深....