Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/af7114b30cc4186c39018d8a03eb3c87.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 mining machinery plant例句_mining machinery plant英汉例句_mining machinery plant双解例句_食材鋪反向词典
Model QZ100K drill was developed by the machinery plant, Changsha Institute of Mining Research, With a China National practical new-type patent. QZ100K型潛孔鑽機由本院機械廠研制，竝已獲國家實用新型專利。