fire-protection equipment
[新英汉石油技术词典]
fire-protection equipment灭火设备,防火设备,消防设备
是什么意思,fire-protection equipment的解释,fire-protection equipment的翻译
fire-protection equipment
[新英汉石油技术词典]
fire-protection equipment是什么意思,fire-protection equipment的解释,fire-protection equipment的翻译