graphite lubrication
[农牧林英汉词典]
graphite lubricationn.石墨润滑
是什么意思,graphite lubrication的解释,graphite lubrication的翻译
[电力英汉词典] graphite lubrication
graphite lubrication
[农牧林英汉词典]
graphite lubrication是什么意思,graphite lubrication的解释,graphite lubrication的翻译
[电力英汉词典] graphite lubrication