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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.本剧是泰国2014年上档的最新电视剧，主要讲述：双胞胎姐姐神秘失踪，Khemika不得不伪装自己来到Shanon拥有的Lerkwireeya公馆寻找姐姐失踪的真相，从未预想过的结果却令她大吃一惊，几近崩溃。The picture shows Mr. Sun (second from right) leading the team leader (first from right) and vice-captain (first from left) to take a picture with the practice unit.美国地方剧院（American Place Theater）的联合创始人/导演、表演老师韦恩·马曼（Wynn Mamen）的生平和职业生涯。感情稳定的特遣组高级督察陈小生（欧阳震华饰）与卫英姿（蔡少芬饰）终于确立了情侣关系。可英姿把重心都放在了事业上，希望争取机会晋升为督查。然而小生多年来一直渴望生儿育女的家庭生活，两人矛盾不断。而重案组警司邝梓键（林文龙饰）的出现，更让两人的关系陷入危机。接二连三发生的冲突与误会，让两人还是分开了。这时，法证科主任方晴（蒙嘉慧饰）走入了小生的内心。陈三元（滕丽名饰）再度身怀六甲，丈夫程峰（魏骏杰饰）在事业上也有了新的突破，升职为总督查，一切都在为迎接这个新生命做着准备。然而肆意扩张势力的黑帮“洪英社”日益猖獗，一场警匪大战蓄势待发。秦淼见那可恶的家伙一刀接一刀地砍向板栗哥哥，果然生气了，从震惊中醒过来，上前帮忙。