lightening hole
lightening hole
[汽车英汉词典]
lightening holen.减轻重量孔
是什么意思，lightening hole的解释，lightening hole的翻译
[新英汉石油技术词典] lightening hole
[农牧林英汉词典] lightening hole
[水利英汉词典] lightening hole
[海运英汉词典] lightening hole
[石油英汉词典] lightening hole
[航海英汉词典] lightening hole
[船舶英汉词典] lightening hole
[船舶工程英汉词典] lightening hole
[造纸英汉词典] lightening hole