破碎煤 meaning in Chinese

crushed coal

Test and research on bolt and wire mesh support for mine roadway with broken seam roof
破碎煤顶巷道锚网支护试验研究
The pfj coke impact crusher is a new type of high - efficient crusher . it is designed to be mainly used to break coke in coke works as well as other friable materials of low hardness such as coal
Pfj反击式破碎机系新型高效率破碎机，它主要用于焦化厂破碎焦之用，也可破碎煤等低硬度脆性物粒。