feed-water preheating for locomotives
[专利英汉词典]
feed-water preheating for locomotives【机械工程;照明;加热;武器;爆破】
机车供水预热
feed-water preheating for locomotives
【机械工程;照明;加热;武器;爆破】
机车给水预热
是什么意思,feed-water preheating for locomotives的解释,feed-water preheating for locomotives的翻译