gravity sluicing system重力: gravity; force of gravity; g ...水力: waterpower; hydraulic power除: get rid of; eliminate; remov ...灰: ash系统: system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:重力水力除灰系统，即可在微信中查询翻译
