产品规格：

50/20/50          90/25/90              140/32/140          160/100/160
50/25/50          90/32/90              140/40/140          160/125/160
50/32/50          90/40/90              140/50/40            160/140/160
50/40/50          90/50/90              140/63/140          200/20/200
63/20/63          90/63/90              140/75/140          200/32/200
63/25/63          90/75/90              140/90/140          200/40/200
63/32/63          110/20/110          140/110/140        200/50/200
63/40/63          110/25/110          140/125/140        200/63/200
63/50/63          110/32/110          160/20/160          200/75/200
75/20/75          110/40/110          160/25/160          200/90/200
75/25/75          110/5o/110          160/32/160          200/110/200
75/32/75          110/63/110          160/40/160          200/125/200
75/40/75          110/75/110          160/50/160          200/140/200
75/50/75          110/90/110          160/63/160          200/160/200
75/63/75          140/20/140          160/75/160          200/180/200
90/20/90          140/25/140          160/90/160          250/20/250