process heater造句

例句与造句

1. standard test method for determination of nitrogen oxides, carbon monoxide, and oxygen concentrations in emissions from natural gas-fired reciprocating engines, combustion turbines, boilers, and process heaters using portable analyzers
   用便携式分析仪测定燃天然气的往复式发动机燃气轮机燃烧炉和工艺加热器排放的氧化氮一氧化碳和氧浓度的标准试验方法
2. It's difficult to find process heater in a sentence. 用process heater造句挺难的