Correct
回火
/ huíhuǒ /
Strokes
Definition
to temper (iron)/to flare back/flareback (in a gas burner)/(of an engine) to backfire
Example
As a Verb
temper
1
Huíhuǒ
回火
yìngdù
硬度
tempering hardness
2
Huíhuǒ
回火
wēndù
温度
drawback temperature; temper(ing) temperature
3
Huí
回
huǒlú
火炉
tempering furnace
4
Huíhuǒ
回火
lièwén
裂纹
temper crack
5
Huíhuǒgāng
回火钢
tempered steel
6
Huíhuǒ
回火
cuìxìng
脆性
temper brittleness
As a Verb
backfire