A sleep function allows the drives to be cycled off when the system demand drops below a presetlevel, and restarted automatically when the demand increases.
睡眠功能允许驱动在系统需求降到一个预设级别之下的时候就停止运行,而当需求增加的时候又自动重新启动。
2
The jacked pile, as one of the types of pile foundation engineering, overcomes the resistance of soil and sinks to the presetlevel by less static pressure while affording a larger bearing capacity.