pump accumulationpumpaccumulation泵: pump蓄: store up; save up器: implement; utensil; ware站: stand; be on one's feet蓄力器: accumulator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:泵蓄力器站，即可在微信中查询翻译
