fine emery powder细: thin; slender金: metals钢: sharpen; strop; whet砂: sand; grit金钢砂: carborundum; ceylon graphite; corundum; diamond powder; emery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:细金钢砂，即可在微信中查询翻译
