porcelain sandstone瓷: porcelain; china砂石: freestone; gravel; sandrock; sazaraishi陶瓷砂轮: ceramic bond wheel; vitrified abrasive; vitrified grinding wheel除砂石: degritting粗砂石: coarse aggregate; grit; rag stone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:瓷砂石，即可在微信中查询翻译
