opencast explosive露天矿用炸药;露天炸药
opencast gelignite露天矿用葛里炸药
opencast dump露天矿排土场
opencast gold露天金矿
opencast driller露天钻机
opencast equipment露天矿设备
Dedendum opencast下齿里
opencast movement露天运动
opencast survey[矿业] 露天矿测量;露天矿测量
ADJ(形容词) At an opencast mine, the coal, metal, or minerals are near the surface and underground passages are not needed. (指煤、金属及矿物等)露天开采的 [英国英语][ADJ n]