ᱤᱧ ᱡᱟᱦᱟᱸ ᱞᱮᱠᱟ ᱛᱮ ᱯᱤ ᱰᱤ ᱮᱢ ᱧᱟᱢ ᱠᱮᱫᱟᱹᱧ

Popertion lạgit̕ lạgit̕ lạgit̕ kạmi lạgit̕ kạmi lạgit̕ kạmi lạgit̕ kạmi lạgit̕ lạgit̕ kạmi lạgit̕ lạgit̕ kạmi lạgit̕, ᱟᱨ ᱚᱱᱟ ᱨᱮᱭᱟᱜ ᱯᱨᱚᱵᱷᱟᱨ ᱫᱚ ᱯᱨᱚᱰᱚᱠᱥᱚᱱ ᱨᱮ ᱢᱮᱱᱟᱜ-ᱟ᱾ ᱱᱚᱶᱟ ᱠᱟᱹᱢᱤ ᱨᱮ ᱟᱹᱰᱤ ᱜᱟᱱ ᱠᱟᱹᱢᱤ ᱦᱩᱭᱩᱜ ᱠᱟᱱᱟ ᱡᱟᱦᱟᱸ ᱫᱚ ᱱᱚᱶᱟ ᱠᱟᱹᱢᱤ ᱠᱚ ᱞᱟᱹᱜᱤᱫ ᱠᱟᱹᱢᱤ ᱠᱟᱱᱟ, ᱚᱱᱟ ᱛᱮ ᱱᱚᱶᱟ ᱫᱚ ᱟᱹᱰᱤ ᱵᱮᱥ ᱟᱨ ᱵᱟᱹᱲᱤᱡ ᱠᱟᱹᱢᱤ ᱠᱟᱱᱟ ᱾ ᱱᱚᱶᱟ ᱠᱚ ᱢᱩᱫᱽ ᱨᱮ ᱟᱭᱢᱟ ᱥᱮᱨᱢᱟ ᱠᱷᱚᱱ, ᱱᱚᱶᱟ ᱠᱚ ᱫᱚ ᱥᱮᱨᱢᱟ ᱨᱮᱭᱟᱜ ᱯᱷᱤᱡᱤᱠᱥ ᱨᱮ ᱢᱮᱱᱟᱜ-ᱟ ᱟᱨ ᱱᱚᱶᱟ ᱠᱚ ᱫᱚ ᱟᱠᱚᱣᱟᱜ ᱠᱟᱹᱢᱤ ᱠᱚ ᱨᱮᱭᱟᱜ ᱩᱛᱱᱟᱹᱣ ᱨᱮ ᱜᱚᱲᱚ ᱮᱢ ᱠᱟᱱᱟ᱾

ᱜᱞᱩᱴᱮᱱ ᱫᱚ ᱥᱩᱱᱩᱢ ᱥᱮ ᱜᱮᱥ, ᱵᱤᱡᱽᱞᱤ ᱡᱤᱱᱤᱥ ᱥᱮ ᱮᱴᱟᱜ ᱞᱮᱠᱟ ᱛᱮ ᱵᱮᱱᱟᱣ ᱫᱟᱲᱮᱭᱟᱜᱼᱟ ᱾ When gaseous fuel is used, there are usually multiple low-energy burners, which are installed along the tangential direction of the inner wall of the furnace, and are evenly arranged in layers or spirals in height to avoid the flame directly washing the workpiece and ensure that the temperature in the furnace is uniform. When used for low-temperature tempering or using oil as fuel, a thin muffle wall is built in the furnace to separate the combustion space from the heating space, but the pit furnace with muffle wall consumes more fuel.