calcareous scale钙质: calcareous锅垢: bird nest; boiler scale除锅垢: scale removal锅垢锤: boiler scaling hammer结锅垢: incrustation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:钙质锅垢，即可在微信中查询翻译
