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Total quality management mainly includes the establishment of a quality assurance system: in terms of resources, attention should be paid to the quality assurance of raw materials and purchased parts, and suppliers should be carefully selected; In terms of design, the JIT management system requires the designed products to have strong flexibility. In terms of personnel, it emphasizes the quality of people's work and the sense of responsibility for product quality. In the process of processing, attention should be paid to quality process control. Only under the effect of total quality management can we ensure good quality in every link of JIT system, make it try its best to achieve "zero defects" and realize "zero inventory".成浩和欢欢是一对儿发小，互相对彼此的了解甚至胜过自己，就算是对方的择偶彼此都要参与帮助选择把关，成浩深怕欢欢被别的男人当作炮灰，总是在欢欢的择偶过程中搅局，欢欢也不喜欢成浩总把别的女孩当炮灰约，也不停的搅黄成浩的约会。当成浩想要下定决心放弃儿时的誓言想跟欢欢恋爱的时候，欢欢的老同学却出现了， 对于老同学这种危险关系，成浩开始害怕这次要真的失去欢欢了，便找来泡妞高手西门来帮忙想要重新夺回欢欢。如果时间至此停留，该多好啊。这是一个人类科技高度发达，已可以自由出入宇宙的时代……喜欢棒球的真琴与同班的两名男生千昭与功介有着共同爱好。一天，与她本是好朋友的千昭突然向她表达爱意，手足无措了她再次穿越时空希望可以躲避这件事的发生。但没想到，千昭会跟同学友梨在一起了，而友梨也是一直喜欢千昭的。此时，暗恋功介的果穗误以为真琴是功介的女友。没有退路？饿死？年轻的士兵喃喃回味几句，突然间他明白过来，眼中异彩连连。他们行武之人，跑得当然快了。