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- ground air net 地空网
- The other equipment employs a pump to extract ground air from the hole. 第二种设备使用一个泵，从孔中抽取地下气体。
- With the procedure of the air net calculating,a passage of the mining area is simulated to one or some embranchment. 利用风网解算程序,将采空区及漏风通道模拟为风网中的一个或几个漏风分支。
- A mathematical programming model for arms optimal apportionment is established according to the detailed analysis of the ground air defense disposition on the campaign direction. 对战役方向地面防空战斗部署进行了详细分析,建立了兵力优化分配的数学规划模型。
- Missile ground air feeding equipment 导弹地面供气设备
- ground air conditioner vehicle for Airplane 飞机地面空调车
- Ground air defense missile weapon system 地空导弹武器系统
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- The ground was covered with ferns. 地面上长满了羊齿植物。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世，现在还没安葬。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
- They put some wreathes on the ground. 他们把一些花环放在地上。
- The ground was ploughed and planted with corn. 地翻耕后种上了玉米。
- He takes his ground on intuition. 他的意见是凭直觉。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- A good hot summer could dry the ground out. 一个炎热的夏天可以将大地干透。
- Bob pecked at the hard ground with a pickaxe. 鲍勃用鹤嘴锄在坚硬的地面上挖掘。
- The fence posts were fixed firmly in the ground. 栅栏的立柱牢牢地固定在地上。
- The ground is shut in by a wire fence. 那块地被铁丝篱笆围住。
