level and smooth meaning in English

平滑的

First , it is close cause , getting out of concrete outside level and smooth , easy
2表面密致平滑容易脱出混凝土表面。
A child who has just learnt to walk can fall down even on level and smooth ground
刚刚会走路的小孩子在平正的地面上仍会跌跤。
The cable rooms inner wall and foundation platform are covered with concrete and sand at 1 : 25 , with 20mm thickness , and the appearance should be level and smooth
电缆室内壁及基础平台用1 ： 25水泥沙浆抹封，厚度20 ，表面平整
Numerical examples indicate our inventory policy can lower the total inventory cost , improve the service level and smooth the inventory management
实例计算表明我们的库存管理方法可以减少总成本，提高顾客服务水平和使库存管理更加平稳。