1·It might be very important to discuss the role of larged molecular organic components in the formation of pigment gallstones.
因此，认为大分子有机物在胆色素结石的形成中起重要作用。
2·Analyse the functions of blanking clearance and its influence to the die and workpiece. Illustrate that only select fairly larged clearance in general blanking, die life would be increased.
重点分析了冲裁间隙的功能及其对模具、工件的影响，说明在普通冲裁工艺中，选用较大冲裁间隙，能提高模具寿命。