... delayed relay 缓动继电器，延时继电器 delayed start 延迟起动 delayed subcritical reactor 缓发次临界反应堆 ...
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短语
延迟起动器
relay actuator
;
delay action starter
;
actuator relay
压缩机延迟起动保护
Compressor delay protect
起动延迟
start delay
时间迟延起动电驿
time-delay starting relay