tapered section渐变: gradual change anamorphism; ...断面: section; fracture surface; p ...型材: section bar; proximate matte ...形断面型材: z-bar zee-bar z阶梯断面型材: steeped section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:渐变断面型材，即可在微信中查询翻译
