| 英文名称: | | Naphtha, petroleum, light steam-cracked arom., piperylene conc., polymd. | | naphtha (petroleum), light steam-cracked arom., piperylene conc., polymd. | | naphtha (petroleum), light steam-cracked arom.,piperylene conc., polymd. | | Naphtha,petroleum,light steam-cracked arom.,piperylene conc.,polymd. |
|
