closing appliance for exterior ventilation inlet
词语: closing appliance for exterior ventilation inlet
解释: 【航】外部通风进口关闭装置
词典: 消防专业英汉词典
closing appliance for exterior ventilation inlet
词语: closing appliance for exterior ventilation inlet
解释: 【航】外部通风进口关闭装置
词典: 消防专业英汉词典