Are you surt you put in two quarters 你确定你是投进去两个二十五分硬币吗？
2.
The main content is as below : according to the design procedure of the blade forging part , the data of the blade surfaces is changed to that of the corresponding forging blade surt ~ ces 完成的主要工作如下：根据叶片锻件设计规程，将叶片零件的型面数据转化为叶片锻件的型面数据。
