control and relay造句

例句与造句

1. In October 1960 the 267th's capabilities increased with the arrival of the new Technical Control and Relay Center facilities.
2. In the years after the advent of the transistor, and later, integrated circuits and microprocessors, miles of wiring and electro-pneumatic relays have given way to electronic and computerized control and relay systems, which have made the control of pipe organs much more efficient.
3. It's difficult to find control and relay in a sentence. 用control and relay造句挺难的