顶梁 meaning in English
back timber; carrying bar; headpiece; set collar; top beam; jacking beam; capping; stull
Examples
- Mine support ; roof bars single props ; lengths
矿井支护.顶梁单体支柱.长度 - Application of type built - up roof beam in face of steep coal seam
型组合顶梁在急倾斜采煤工作面的应用 - Adaptability evaluation of combined suspension support with whole roof beam
整体顶梁组合悬移支架适应性评价 - Development of anti - skip device for roof bar of 11 mine h - bar trapezium - shaped support
矿用工字钢梯形棚顶梁防滑装置的研制 - Hydraulic extension bar
液压伸长顶梁