| 1 | Sichuan Vinylon Works produces acetylene from natural gas. | |
| 2 | Polyvinyl alcohol (PVA) with a degree of polymerization o...with a degree of polymerization of 1750 and an alcoholysis degree higher... | |
| 3 | If vinylon factories were set up, they would help alleviate the strain on the supply of cotton and could exchange vinylon for peasants' cotton. |
Copyright © Purple Culture Co., Ltd. 2001 - 2026. All right reserved.
