| 单词 | 气塞 |
| 释义 | 〔polytetrafluoroethylene〕A thermoplastic resin, (C2F 4) n , that is resistant to heat and chemicals, has an extremely low coefficient of friction, and is used as a coating on cookware, gaskets, seals, and hoses. 聚四氟乙烯：一种热塑性树脂，(C2F 4) n ，抗热抗化学物质，具有极低的摩擦系数，被用作炊具、垫圈、气塞和袜子的覆面 |
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