挖口袋子
550x(240+30x2)x0.03
410x330x0.025
400x300x0.03
350x260x0.022
440x(280+20x2)x0.032
380x350x0.03
500x400x0.022
(450+100)x(300+80x2)x0.025
400x350x0.03