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(3) Power on the control coil to detect the contacts. Apply rated voltage to the control coil of the time relay, and then detect whether the contact state changes according to the type of the time relay. For example, for the energized time delay type time relay, after the energized time delay, whether the delayed open contact is closed (the resistance is close to 0) and whether the delayed closed contact is opened (the resistance is infinite).故事所讲述的是典型85后的生活方式，他们爱美剧，爱幻想，爱吐槽，爱分享，热爱生活。一群无聊的大学生在玩人类关节骨制成的骰子游戏时释放出一个凶残的恶魔。Attacks similar to those before the 2016 election may indicate the future trend: we are about to move towards the era of digital war, which is more harmful and hidden than traditional wars, and will not be as extreme as Pearl Harbor or 9/11.本剧基于真实事件、2004年法国纪录片《楼梯悬案》、书籍《Written in Blood》等素材创作而成。故事将探索Michael Peterson的生活，他那位于北卡罗来纳州的大家庭，以及他妻子Kathleen Peterson十分可疑的死亡。平淡的生活被叫孙辉的黑衣男子扰乱，原来他是20年前和阿武一起开拳馆合伙人的儿子，此次前来为了拿他父亲生前的投资款项，被逼无奈的阿武只能将拳馆售卖偿还债务，了解到实情的小艾伤心不已。