Such transistors are the workhorses of conventional electronics .

这样的晶体管是传统电路中的苦力。

We love robots tireless , productive workhorses of the modern assembly line .

我们爱机器人它们不知疲倦、生产率高，在现代化的流水线上干着粗活重活。

The orbital workhorses are to be retired from service next year .

这一轨道运载器将在明年退役。

With 120-180 seats , these aeroplanes are the workhorses of the sky , accounting for about four out of every five jets that the two manufacturers sell .

这些飞机每架拥有120-180个座位，是空中的负重苦力，占到了这两家厂商销售的喷气机约五分之四的比例。

These dirty , decrepit workhorses and their doctored diesel are responsible for a particularly toxic form of air pollution as well as health problems .

这些肮脏破旧的机器和它们所装配的柴油机对一种特殊有毒气体的产生负有主要责任，会造成空气污染和健康问题。