敞炉 meaning in Chinese

hearth

Specification for manufactured solid smokeless fuels for household use - specially reactive fuels for all types of domestic open fire
家用经加工固体无烟燃料规范.第3部分:各种家用敞炉专用活性燃料
Specification for manufactured solid smokeless fuels for household use - cokes for domestic openable and closed appliances and open fires with fan - assisted primary air
家用经加工的固体无烟燃料规范.第2部分:家用启闭炉和敞炉用焦炭