地表火 [林] surface fire ; Grass-fire ; Ground-fire ; ground burning

稳进地表火 creeping fire

近地表火成岩 volcanics

消灭地表火 extinquishing grass fire

表面淬火 [机] surface hardening ; surface quenching ; case-hardened ; hard surfacing

火焰表面淬火 flame surface quenching

表面点火 [动力] surface ignition

烟火表演 fireworks ; firework show

表面火焰处理 deseaming ; descarfing ; descrafing