structural limits结构: structure; composition; cons ...边界线: boundary line边界线: border line; borderline; boundary line; boundaryline; contour; limit line疆界线, 边界线: boundary line边界，边界线: boundary noun下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:结构边界线，即可在微信中查询翻译
