sand blanketsand cover砂: sand; grit盖层: overlying strata; cap rock; ...盖层: overlying strata; [石油工业] cap rock; cover coat薄盖层: thin capping冰盖层: glacial sheet; ice cover; ice sheet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:砂盖层，即可在微信中查询翻译
