Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/87aad0c81bf4ae434148d2153faa09a3.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 mining theodolite例句_mining theodolite英汉例句_mining theodolite双解例句_94生活常识网有道词典
The Gyro-theodolite JT15 was jointly developed by the Xuzhou Optical Instrument Factory and the China Institute of Mining Technology. 陀螺经纬仪是由徐州光学仪器厂和中国矿业学院共同研制的。