释义 |
坑木 kēngmùmin. pit prop; mine timber坑木kēngmùpit prop坑木【矿】pit prop坑木 kēng mù {矿} pitwood; pit prop; mine timber 坑木代用 substitutes for timber坑木n.pitprop【矿】坑木,坑柱,窑木坑木1. [Mining] pit prop; mine timber坑木Mine-timber坑木timber双向☞ 坑木--矿用木料双向☞坑木--支柱双向☞支柱--坑木坑木[矿]pit prop; mine timber |