topographic map of [underground] mine field
topographic map of [underground] mine field
[煤炭科技英汉词典]
topographic map of [underground] mine field井田区域地形图
反映井田范围内地貌及地物的平面图。
是什么意思,topographic map of [underground] mine field的解释,topographic map of [underground] mine field的翻译