In order to boost our sales and profits, we should therefore switch from newspaper advertising to frequent radio advertisements like those for Disc Depot.
为了提高我们的销售和利润，我们应该像 Disc Depot 那样，从报纸广告转向频繁的电台广告。
2
Introduction was made to the composition and working principle of a power-off time delay relay which adopts CMOS digital circuit, digital dial disc for switch setting and without auxiliary power.
介绍了一种采用CMOS数字电路、数字拨盘开关整定、无辅助电源的断电延时继电器的组成及工作原理。
3
There is limit block on the valve disc to ensure the open-close position , which is controlled by the stroke switch.