1) basal joints
基体裂隙
1.
Study on distribution laws of observation full-trace length of basal joints;
基体裂隙实测全迹长分布规律研究
3) roadbed-fissure
路基裂隙
4) fissures of coal
煤体裂隙
1.
The main geological factors which influenced top coal caving and broken characteristic contain:the strength of coal,the mining depth of coal seams,the features of coal seams with middle band,the thickness of coal seam,the fissures of coal,the roof features of coal-bed,etc.
影响顶煤垮落和破碎特性的主要地质因素有煤体强度、煤层采深、夹矸层特征、煤层厚度、煤体裂隙、煤层顶板特征等。
5) issured coall
裂隙煤体
6) fissure beam
裂隙体梁
补充资料：冰川大裂隙
冰川大裂隙
一;分广、、·;，兮}‘一，;月长之fJ…砂劝 程形摄
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条