roofern.盖屋顶的人
roofn.屋顶;顶vt.覆盖;给 ... 覆以屋顶
roof to roof service逐户服务
roof in hollow tiles凹槽形瓦屋顶
roof-leaking pulse屋漏脉
roof-bolting jumbo杆柱孔钻车
roof expansion joint屋顶伸缩缝
roof periodic caving顶板周期垮落
roof of coal roadway煤巷顶板
roof-decking panel屋顶平台板
roof support pattern顶板支护布置方式
roof insulating slab屋顶隔热板