The product has excellent tooling quality and machining performance , so as to alleviate and avoid the deformation of ejector pin because of heat treatment 該產(chǎn)品具有良好易切削性能和機械加工性能,從而避免了薄壁推管(司筒)因熱處理而產(chǎn)生變形。
For a long time , chinese education " s most outstanding problem is to confine itself to language education , namely hearing , saying , reading , and writing trainings . it only emphasizes on pure tool quality , but extremely despises constructive functions of chinese 長期以來,語文教育最突出的問題是局限在語言教育本位,即訓(xùn)練聽、說、讀、寫能力的思維框架中,僅僅強調(diào)語文的純工具性。