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| English | Chinese |
| environmental scale factor | 环境比例因子 |
| small-scale furnace Small enclosed structures containing a heat source, typically used for the purpose of intense heating. Most are lined with refractory material, the heat source is typically provided by electrical elements or the burning of gas, coke or coal | 小型熔炉 (包含一个热源，通常用于取暖的小型密闭结构。大部分两旁有耐火材料，热源通常是由电子元件或气体，焦炭和煤燃烧提供。) |
| small-scale inducer A domestic source introducing small quantities of pollutants into a publicly owned waste-treatment system | 小型输送器 (引入少量污染物到一个公有废物处理系统的内部源。) |