聚醚酮醚酮酮 polyetherketoneetherketoneketone: 聚醚酮醚酮酮polyetherketoneketone (pekk): 聚醚酮酮 polyetherketone (pek): 聚醚酮 polyethers derived from cyclic ethers: [化學 冶金] 環(huán)狀醚衍生的聚醚 polyetherimides: [網(wǎng)絡(luò)] 聚醯亞胺 下載手機詞典可隨時隨地查詞查翻譯