煤型气源天然气水合物
coal related gas source of natural gas hydrate
补充气源
Complementary gas resource
弹载气源
missile cylinder subassembly
低环境温度空气源热泵
low temperature air source heat pump
低温空气源热泵标准
Standard on Low Temperature Air Cource Heat Pump
高效气源灶
high-efficiency gas-source kitchen
工业大气源
industrial air pollution source