在企业数据上执行CRUD(增、查、改和删)和查找操作的数据服务本来就是可以跨多个项目重用的。
Data services that perform CRUD (Create, Read, Update, and Delete) and find operations on enterprise data are inherently reusable across multiple projects.
有两种可能。要么你操作错误，要么有人改了密码，也可能是你自己改的却忘了。
Two possibilities. One, you made a mistake; two, someone has the code or you did yourself but you forgot.
用级进模结构形式，改现行简单模结构的一工步操作的冲裁为两工步操作：第一工步为半冲裁，第二工步为推料。
Use constructional type of progressive dies, change present one step operation of single die construction for two-step blanking, i. e, first step semi-blanking, second ejecting material.
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