在工业上，潮湿的以天然气来照明的车间的环境有一些改进，但对于磨房主要弥补的逐渐升高的疾病率来说很牵强。
In industry some amelioration of the atmosphere in the steamy, gas-lighted workrooms was forced on mill owners to offset an increasing sickness rate.
在工业上，潮湿的以天然气来照明的车间的环境有一些改进，但对于磨房主要弥补的逐渐升高的疾病率来说很牵强。
In industry some amelioration of the atmosphere in the steamy, gas-lighted workrooms was forced on mill owners to offset an increasing sickness rate.
应用推荐