programme interval
计划的时间间隔
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The system consists of a programme contactor, a automatic transfer device which was completely designed and built by ourselves, a time interval counter and a digital recoder.
此系统由程序接触器、自制的时刻比对自动转换器、时间间隔计数器和数字打印机组成。
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