1983年冬,在北京某六层宿舍楼室内装饰和地面工程施工中,使用了煤火保温进行冬期施工,当时楼内布置了蜂窝煤火炉和高桶式煤火炉共32个,室温昼夜保持在10～13℃以上。由操作经验丰富的老工人带领技术较为熟练的青年工人,以认真的态度遵守常规 In the winter of 1983, in the interior decoration and ground engineering construction of a six-story dormitory building in Beijing, coal fire insulation was used for winter construction. At that time, there were 32 honeycomb fire pits and high-barrel coal fire pits in the building, and the room temperature was kept at 10 around the clock. ~ 13 °C or more. Skilled young workers, led by experienced workers who are skilled in the operation, observe the routine in a serious manner