常見(jiàn)例句雙語(yǔ)例句The Gyro-theodolite JT15 was jointly developed by the Xuzhou Optical Instrument Factory and the China Institute of Mining Technology.陀螺經(jīng)緯儀是由徐州光學(xué)儀器廠和中國(guó)鑛業(yè)學(xué)院共同研制的。 返回 mining theodolite