flat ground
短语词组
- flat envelope ground 平坦地
- flat just ground 高山
- flat -ground 平磨
- with sole flat on ground 以全脚掌着地
- THREE -EDGED FLAT-GROUND SCRAPER 三角实心刮刀;三角学实心刮刀
- flat degree of ground 地面平整度
- Laser flat ground machine 激光平地机
- flat ground surface 水平地表面
- flat on the ground 平摊在地上 返回 flat ground