Food loss and waste are also a major squandering of resources - water, land, energy and Labour - and contribute to greenhouse gas emissions.
食品的损失和浪费也是对主要的资源的浪费——水、土地、能源和劳动力——而且还会增加温室气体的排放量。
Large amount of poisonous gas, coal and waste rocks badly influence the safe product for coal mine, and also cause the economic loss to our country.
煤与瓦斯突出产生大量的煤与矸石和有毒的瓦斯气体，严重影响煤矿安全生产，给国家造成或大或小的经济损失。
Studies the fuel kinds, the exit gas temperature of the hot air furnace, the excess air coefficient and the air moisture and temperature 'influence for waste heat loss.
研究了燃料种类、热风炉的排烟温度、过量空气系数以及燃烧空气湿度和温度对排烟热损失的影响规律。
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