Coaltonn.科尔顿(在美国；西经 82º37' 北纬 39º06')coaln.煤；木炭vt.烧成炭；供应煤vi.加煤；装煤coal gaugue brick煤矸石砖coal measure soil煤系土coal hydrogention[机] 煤的氢化coal mineral zone煤矿区coal tar Ointment[医] 煤焦油软膏coal based syngas煤制气coal/gold dust煤/金粉Coal sliding hole溜煤眼coal corporations煤炭企业coalfield outcrop煤田露头

1. The coal level in the BBD mill has very important influence on the working performance.
   双进双出钢球磨煤机的煤位对磨机的工作性能有非常重要的影响。