broken line; dog-leg path; fold line; polygonal line◇折线图 line graph折线到折线: fold to fold骨折线: fracture ling; the fracture line坡折线: knick-line曲折线: meander line; meanderline; zigzag line屈折线: folding line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:折线,即可在微信中查询翻译