1、R代表圈数,如R1代表第一圈头部R1:环形起针6针,6R2:每针加针,12R3:每隔一针加一针,18伊怕锱鳏R4:每隔两针加一针,24R5-8:不加不减,24R9:每隔两针减一针,18R10:每隔一针减一针,12