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Time relays are divided into two types: on-time delay type and off-time delay type, and their symbols are shown in the following figure. For the power-on delay type time relay, when the coil is powered on, the power-on delay type contact acts after the delay time (the normally closed contact is opened and the normally open contact is closed), and the contact immediately returns to normal after the coil is powered off; For the power-off delay type time relay, when the coil is powered on, the power-off delay type contact acts immediately (the normally closed contact is opened and the normally open contact is closed). After the coil is powered off, the contact will not return to normal until the delay time is passed.本作品的舞台是乌冬连锁店·TOKYO制面所。店长进入产假，依靠的工作人员逃走了，剩下的工作人员陷入了危机。在这样的TOKYO制面所，作为新店长而来的是原Hotelman的赤松幸太郎。赤松不会破坏“过于客气的接待客人”等独特的风格，而是在店里设置手写海报，周围的工作人员都被他耍得团团转。甘言重（陈豪 饰）是一个实打实的工作狂，他不仅自己没日没夜的工作，亦要求下属们要像他一样拼命。宋天从（胡杏儿 饰）曾是一名摄影师，却在一场和父母同行的旅途中遭遇了车祸，失去了双亲，也失去了视力，自此生活在黑暗之中。该剧根据河南省消防总队四级士官李昆的同名长篇小说改编，讲述了北港市消防部队的一名消防战士沈笑，凡事都要抢个头功出个风头。后来，他终于明白了军人的价值和荣誉，是建立在祖国和人民的利益之上。爱我你怕了吗番邑县衙，安静的后堂里，吴芮正在悠然饮茶。