combined ductcomposite pipe line综合: synthesize管道: pipeline; channel; tunnel; p ...综合管道(综合管廊): composite pipe line综合管道材料表: consolidated piping material summary sheet闭合管道: closed duct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:综合管道，即可在微信中查询翻译
