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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).Unicom她活了这么大年纪，在京城这些年的见闻颠覆了她以往的人生。明末年间贪官污吏横行，民不聊生。公元一六四四年春正月，李自成的大顺军乘胜向明王朝的国都北京挺进；张献忠的起义军深入湖广！与此同时，偏居关外的满清摄政王多尔衮，在孝庄太后的授意下，率兵乘虚而入，逼近山海关，杀气腾腾。为平息遍布中华的抗清复明烈火，多尔衮派遣西王吴三桂、定南王孔有德、敬谨亲王尼堪率领三路大军南下清剿，就在这时多尔衮劳累身亡。鳌拜手握大权，作威作福。中华大地，狼烟滚滚，试问天下，谁主沉浮？The smaller the ISO number, the lower the sensitivity, and vice versa. The picture with low sensitivity is clear, while the picture with high sensitivity has a lot of noise.黄胖子点了点头，这便道，那我去找车了，再晚就没了。