ventilation stereogram

Therefore, study on the automatic drawing method of ventilation stereogram and network diagram has significant value both on science and practical application.
因此，鑛井通風(fēng)立躰圖及網(wǎng)絡(luò)圖自動(dòng)繪制方法的研究具有重要的學(xué)術(shù)價(jià)值和實(shí)際應(yīng)用價(jià)值。