回火 meaning in English
1.(金属的一种热处理工艺) tempering; draw the temper; drawing-back; letting down; drawing (俗称“配火”)
2.(氧炔吹管等的火焰向反方向燃烧) flashback; flareback (常引起事故)
◇回火爆炸 back draft; 回火处理 [工业] drawing temper; 回火脆性 temper brittleness; 回火度 degree of temper; 回火炉 tempering furnace
Examples
- If the engine backfires, the sudden pressure in the intake manifold forces the valve back .
如果发动机回火，进气歧管骤增的压力就迫使阀门向后移动。 - There are three main operations in the heat treatment of steel: hardening, tempering and annealing .
钢的热处理操作主要有三种，即：淬火，回火和退火。 - There are three main operations in the heat treatment of steel: hardening, tempering and annealing .
钢的热处理操作主要有三种，即：淬火、回火和退火。 - Tell him if he ever steps out of line again i'll personally run him out of this town and back to fire island !
对他说明白，如果他再胡作非为，我就亲自赶他出城送他回火山岛去！ - Oil - hardened and tempered stell wire for mechanical springs
油淬火回火弹簧钢丝