ground made hard by frost的意思|示意
美 / /
英 / /
因霜冻而坚硬的地面
ground made hard by frost的网络常见释义
冻硬的土地 ... hard ground blasting 地坪爆破 Draubar pull on hard ground 硬地拖钩牵引特性试验 ground made hard by frost 冻硬的土地 ...