doublet component双重: double; dual; twofold; dupli ...线: thread; string; wire成分: composition; component part; ...多重线成分: multiple component双重线: dipelt; diublet; doublet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:双重线成分，即可在微信中查询翻译
