dredging挖掘: excavate; unearth; dig; tap; ...船: boat; ship; vessels采矿: mining; mine挖掘船采矿区: dredging area挖掘船采金: gold dredging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:挖掘船采矿,即可在微信中查询翻译