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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.秦国虽然灭亡，可是投降的子婴还在，无疑有着一种象征意义。疯狂怪兽车，再次来袭，顽皮的捣蛋车，勇敢的怪兽警车，聪明的小火车，看看他们之前会发生哪些有趣的故事吧，《宝宝巴士疯狂怪兽车》陪你过寒假！安娜·肯德里克加盟克里斯多夫·莫利斯([四头狮子])执导的未定名喜剧。卡司包括凯万·诺瓦克、丹尼尔·布鲁克斯、丹尼斯·欧哈拉等。新片剧情目前暂未透露，据悉肯德里克在片场以FBI探员造型亮相。See-Saw Films、Archer Gray Productions联合制作。影片已在佛罗里达、多米尼加开机拍摄。　　魁拔纪元1664年，天神经过精确测算后，在第六代魁拔苏醒前一刻，对其进行了一次核武级打击。但谁都没有想到，已经悄然实现了自身进化的新一代魁拔，成功地逃脱了致命一击……"The waist was bitten off? Is the spine broken?" I asked.Update to v7.2.0 b_release;