double seal英语标准发音:double seal英式发音:美式发音:翻译中文双重密封double seal - 基本释义[词典1]双重静电自黏封口双端面机械密封双重密封双密封双端面密封double seal - WEB词典double seal双重密封腊光纸双密封翻译axial double mechanical seal轴向双端机械密封轴向双端面机械double oil seal双油封 参考资料: 1.百度翻译:double seal2.有道词典:double seal3.爱词霸:double seal