词语protective atmosphere
解释保护气氛
词性名词
protective atmosphere〔名词〕保护气体详细»
protective atmosphere〔名词〕保护气氛详细»
protective atmosphere〔名词〕保护气氛,保护气体详细»
保护气氛protective atmosphere详细»
保护气氛protective atmosphere;shielding gas atmosphere详细»