mineral-surfaced bitumen feltmineral-surfaced bitumen(asphalt) felt绿豆: urad; mung; mung bean; gram; ...砂: sand; grit面: face油毡: asphalt felt绿豆砂面层: mineral surface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:绿豆砂面油毡，即可在微信中查询翻译
