摘要
以改过去对矿井提升机轴瓦磨损修复的工艺
This technique is in order to reform the repair technology of the wear and tear of the winch bearing shoe in the past.
出处
《煤炭技术》
CAS
2002年第2期6-7,共2页
Coal Technology
关键词
浇铸前的准备
浇铸过程
preparation for casting
process of metal founding