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JIT production is a unique multi-variety, small batch, high quality and low consumption manufacturing mode gradually established by Toyota Motor Company of Japan according to its own characteristics. The basic principle of JIT production comes from the management mode of supermarket on demand, that is, the supplier delivers the goods to the required place at the specified time according to the requirements of order summons (Kanban). That is to say, only at the "required time, supply the required quality and quantity of products", specifically, the quality, quantity and time of the products processed or supplied in each stage are determined by the demand in the next stage. Therefore, JIT production refers to a kind of production mode in which machines and equipment with strong versatility and high degree of automation are adopted at all levels of production organization, aiming at continuously reducing costs, no waste products and zero inventory. In short, in the face of the changing market, we should provide customers with the required products and services at the lowest possible cost, in accordance with the required quantity and with perfect quality, so as to meet the needs of customers to the greatest extent.剧里讲述bee的角色前世因破坏别人婚姻,所以受到了别人的诅咒今世找不到老公,到了今世bee的第一任男友求婚时为了捡婚戒被车撞死,第二任男友拍婚纱照时心脏病发死。为了摆脱克夫的命运，女主找到了算命先生，算命先生说女主必须找到前世投胎转世的人，求得她/他的原谅(ps:不确定转世的人是男还是女),只知道这人一遇到妞就会和妞吵架,而且屁股上有痣,星期三出生,正好剧里妞遇到ak的角色一见面就吵架,妞认为ak就是转世的那个人,所以千方百计要接近ak看看到底是不是她要找的那个人,因此闹出很多笑话。《山里红》以女主人公“春芍”为故事主线，讲述了原本出身贫寒的春芍对京剧有着颇高的艺术天赋，凭借着她对京剧的热爱，梦想着有一天自己能够成为戏班子里有名的“角儿”，并为了自己的梦想努力奋斗的经历，以及她与一生中的几个男人之间的感情纠葛。该戏以传奇人物的爱情、生活为主，描写了他们之间的悲欢离合的感人故事。Defines a one-to-many dependency relationship between objects. When the state of an object changes, all objects that depend on it are notified and automatically updated.(three) more than 6 times per hour, each time the weight of more than 20 kilograms of operations, or intermittent weight, each time the weight of more than 25 kilograms of operations.