mining machinery plant
常見(jiàn)例句
- Model QZ100K drill was developed by the machinery plant, Changsha Institute of Mining Research, With a China National practical new-type patent.
QZ100K型潛孔鉆機(jī)由本院機(jī)械廠研制，并已獲國(guó)家實(shí)用新型專(zhuān)利。 返回 mining machinery plant