聚醚酮酮 poly(ether-ketone-ketone), pekk: 聚醚酮酮polyethers derived from cyclic ethers: [化學 冶金] 環(huán)狀醚衍生的聚醚 polyetherketoneetherketoneketone (pekekk): 聚醚酮醚酮酮 polyethersulfone (pesf): 聚醚砜 polyetherketone (pek): 聚醚酮 下載手機詞典可隨時隨地查詞查翻譯