New regulations have imposed extensive compliance costs on companies still using older industrial coal-fired burners.
新规定给仍在使用老式工业燃煤燃烧器的公司带来了巨大的合规成本。
2
In industrial Settings, waste heat from boilers and large refrigeration units is sometimes recycled to reduce heating costs elsewhere.
在工业过程中，回收利用从锅炉和大型制冷设备来的废热，能减少其他地方的取暖成本。
3
For the past five years, Chinese industrial firms have enjoyed record profit margins as revenue growth has outpaced the increase in wages and raw-material costs.