Examples of an equipment package include a fired heater including the heater coils and external B31.1 and B31.3 piping, a boiler or skid package.是什么意思_Examples of an equipment package include a fired heater including the heater coils and external B31.1 and B31.3 piping, a boiler or skid package.在线翻译_英语_读音_用法_例句