摘要
针对南京石膏矿的要求,对其矿混合井交流提升机电控系统进行实地考察,提出改造建议。
Directing to the demonds on Danjing gypsuim mine, make an investigation on the electrical control system of ac lifter in its combined mines, and provide some reform suggestions
出处
《煤炭技术》
CAS
2001年第8期8-9,共2页
Coal Technology