wire-drawing compound 拉拔用的乳剂

drawing compound die 拉深复合模

wet drawing compound 湿接用复合润滑剂

wire drawing compound 拉拨用的乳剂

bending drawing compound die 弯曲拉深复合模

drawing-blanking compound die 拉伸冲裁复合模

drawing and piercing compound die 拉伸冲孔复合模

shearing-drawing two-dimensional compound stress field 剪切拉伸双向复合应力场