low ash coallow-ash coallowashcoal低: low灰分: ash content煤: coal低灰分: low ash content; low-ash低灰分焦: low-ash coke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:低灰分煤，即可在微信中查询翻译
