Noun:- the part of a coal seam that is being cut
- coal trucks
- coal refuse
- coal coater
- coal saving
- coal survey
- coalite tar
- coal tunnel
- coaly
- coal- ash
- coal passer
- coal
- coalburning
coalface是什么意思 coalface在线翻译 coalface什么意思 coalface的意思 coalface的翻译 coalface的解释 coalface的发音 coalface的同义词
