Some of the oil and chemical industries are built almost entirely around self-acting controls.
石油化学工业的一些生产设施,已经用机器自动控制。
2
Behind were six Fire-flies, well supplied with self-acting lamps, which they kept hidden somewhere under their wings.
后面六个消防苍蝇,以及提供自我代理灯,他们一直隐藏的地方根据自己的翅膀。
3
The range consists of three different types of regulation systems: a wireless system based on radio communication technology, a hard-wired system, and a self-acting system.