pumping percolator泵: pump送: deliver; carry渗滤器: percolator渗滤器: diffusing filter; gravity filter; percolating filter; percolation apparatus; percolation extractor; percolation filter; percolator焦炭渗滤器: coke percolator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:泵送渗滤器，即可在微信中查询翻译
