北京飞猪
包边 [词典] edge; bordure; tipping （旋翼和桨叶的）; [例句]包边材质：铝、铜和不锈钢。Rim Material: Aluminum, copper, and stainless steel.
姩姩洧悇
记住：卷边：curled edge or curled selvedge or rolled selvedge 包边：serging or piping折边：laid - in selvedge or selvedge hem or lapel
