section purging吹: blow; puff扫: sweep; clear away管段: length; pipe section; spool吹扫: blow/purge; purging; sweeping管段表: line bill of material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:管段吹扫，即可在微信中查询翻译
