测量种类净热值或总热值，华白指数，密度，最少空气需要量。

Kind of measurement Net or gross calorific value, Wobbe index, Density and minimum air requirement.

youdao

测量种类净热值或总热值，华白指数，密度，最少空气需要量。

Kind of measurement Net or gross calorific value, Wobbe index, Density and minimum air requirement.

youdao