The house, holding its breath around him, the roof heavy and oven baked.
屋子似乎屏住了呼吸，空气在身边凝滞，房顶沉甸甸的，房间像是炙热的烤箱。
2
The reason of low recovery rate of tar in coke product was analyzed; the recovery rate of tar was increased by decreasing the oven-roof temperature and adjusting operating conditions.