四句英语短句翻译

1．The cause of rolling resistance is the deformation of mating surfaces of the rolling element and the raceway on which it rolls. 辗压抵抗的原因是滚动元件和滚道在其轧辊上的齿合表面的变形。

2．Traditionally, NC programming has been performed offline with the machine commands being contained on a punched tape. 在传统上，NC编写程序在一个穿孔纸带上所包含的机器命令已可脱机执行。

3．The occurrence of large mats of floating algae may result in the death of many fish from lack of oxygen.悬浮藻类大片的出现可能导致许多鱼类因缺氧而死亡。

4．The major contributors in component technology have been in the semiconductor. 在组分技术中，主要起作用的是在半导体中。