聚醚硫化物polyethersulfone: 聚醚石風(fēng); 聚醚砜polyethers: 聚醚polyethersulfone pes: 飛機(jī)及汽車零件等polyetherketoneetherketoneketone: 聚醚酮醚酮酮polyethet surfactant: 聚醚表面活性劑下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
