表面淬火 或渗碳法应用十分广泛.The case - hardening or carburizing process is in wide use.在飞机制造中,渗碳法比其它方法用得更普遍.Casehardening is used more than the other methods in aircraft work.恰当的渗碳扩散与预冷保温是提高疲劳寿命的有效措施.Appropriate carbon - diffusion a...
Since winning the lottery, they've been living in clover.中奖之后, 他们过着舒适优裕的生活.Herds are fattening on the early clover.家畜吃早春的苜蓿而上膘.Grass and clover seed should be sown at a depth of 12 - 20 mm.禾木科草和三叶草播种深度应为 12-20 毫米....
半导体器件在电子设备中能起各式各样的控制作用.Semiconductor devices can perform a variety of control functions in electronic equipment.在半导体收音机中晶体管代替了真空管.In semiconductor receivers transistors take the place of vacuum tubes.这半导体收音机小巧玲珑.This mak...
A third of the territory was ceded to France.领土的三分之一割让给了法国.He ceded his stock holdings to his children.他将股票让给了他的子女.As a result of a series of European wars, Florida was ceded to England.一系列欧洲战事的结果是佛罗里达被割让给英国....