| 单词 | 垫圈 |
| 释义 | 〔impute〕imputed the rocket failure to a faulty gasket; kindly imputed my clumsiness to inexperience.把火箭发射失败的责任归咎于有故障的垫圈；善意地将我的笨拙归咎于缺乏经验〔burr〕A washer that fits around the smaller end of a rivet.铆钉垫圈：套在铆钉较小末端的垫圈〔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 〔washer〕A flat disk, as of metal, plastic, rubber, or leather, placed beneath a nut or at an axle bearing or a joint to relieve friction, prevent leakage, or distribute pressure.垫圈：用金属、塑料、橡胶或皮革等制的平的圆盘状物，放于螺钉下或轮轴处或连接处以减少摩擦，防止渗漏或均衡压力 |
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