desludging mechanism除: get rid of; eliminate; remov ...淤: become silted up渣: dregs; residue; sediment机构: mechanism淤渣: mire; sludge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:除淤渣机构，即可在微信中查询翻译
