可以用人工或者用推土机(如果有的话)推倒建筑物来产生新的防火带。
The creation of a new firebreak should be done by taking structures down manually or with a bulldozer if available.
在灾民安置点内，每隔大约300米需要修建一条宽50米的防火道(一个没有任何建筑物的区域)。
Within a displaced persons camp, build a firebreak (an area with no buildings) 50 m wide approximately every 300 m of building area.
建筑物大型屋顶的防火安全。从下部起火。第1部分：定义、要求和试验。封闭式屋顶区。
Fire safety of large roofs for buildings - Fire exposure from below - Part 1: Definitions, requirements and tests; roof areas without openings.
应用推荐