positive ventilation_电力英汉词典
positive ventilation
[电力英汉词典]
positive ventilationn.强制通风,压力通风
是什么意思，positive ventilation的解释，positive ventilation的翻译
[汽车英汉词典] positive ventilation
n.强制通风,压力通风
positive ventilation_电力英汉词典positive ventilation
[电力英汉词典]
positive ventilation是什么意思，positive ventilation的解释，positive ventilation的翻译
[汽车英汉词典] positive ventilation
