aluminum sectionaluminum shapealuminum trim铝: aluminium结构: structure; composition; cons ...型材: section bar; proximate matte ...结构型材: structural shapes管及结构型材: standard specification for aluminum-alloy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:铝结构型材，即可在微信中查询翻译
