正: the first month of the lunar ...火: fire区: H region; H火区: burning area; burning section; fire district; fire zone; sideburn正火: nbk; normalization; normalize; normalizing点火区: seed and blanket core; seed blanket; seed region; seed subassembly防火区: fire conservancy; fire control unit; fire district; fire prevention district; fire protection zone; fire-proof district; fz = fire zone灭火区: attack area停火区: dmz bimujang jidae; dmz the demilitarized zone退火区: annealing region正火的: normalized正火钢: air hardening steel; normalized steel正火炉: normalizing furnace重正火: renormalization淬火区域: hardening region; hardening temperature region打开火区: fire unsealing点火区材料: seed material防火区间: fire retarding division防火区域: area of fire protection; fire prevention division封闭火区: fire sealing后退火区: post annealing region火区隔离: fire isolation火区密闭: fire enclosure火区密封: fire enclosure极防火区划: b class division