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(1) Normal detection of contacts. The normal detection of contacts refers to the detection of contacts when the control coil is not energized. The normally open contacts are open with infinite resistance, and the normally closed contacts are closed with resistance close to 0. The normal detection of the normally open contacts of the time relay is shown in the following figure.Has the landlord summed up刘骏卫有投资天分，在第四次辞职后，决定创业，开设 “Towering Fly”。这个家伙跟张雪芹似乎很有缘分，一连几次碰面。更妙的是，雪芹随口地’诅咒’骏卫，都会应验。这两个 看似有缘的人却看彼此不顺眼。骏卫已经有了女朋友朱思仪。思仪是个有人生规划的人，反对骏卫创业，骏卫还是一意孤行。骏卫的姐姐采菱开小食档，由于糕点都是手工做的，所以生意特别好。当然这也归功于采菱的追求者洪青山每天大力支持。青山追求采菱 20 年，依然没有放弃。为了帮采菱支持骏卫，他入股 “Towering Fly”。采菱的表弟李小尤一向没有放弃当老板的梦想，也加入 “Towering Fly”。大家对 “Towering Fly” 抱着期待，然而， “Towering Fly” 会不会成功呢？众人听说这样，虽然没意见，但也没像先前那样欢喜。/ty (thanks)