broken seam meaning in English
间断缝
Examples
- 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 - Mine fire control in fully mechanized coal caving face in high gassy flammable soft broken seam
高瓦斯易燃松软破碎煤层综放工作面火灾的防治