可燃气体的热值:
可燃气体的热值:
相关考题:
天然气特点:密度小、粘度低,无色。可燃气体,与5%-15%的空气混合易燃,热值高。 Characteristics of natural gas: low density, low viscosity, colorless. Flammable gas, mixed with 5% - 15% air, high calorific value.
可燃气体的热值: