land leveling短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 土壤平整,土地平整 For land leveling of any construction project, compacting factor is not an easy thing to be determined. 在对建设项目的场地平整中,压实系数值的确定实属一件不易之事。 dictall Laser receiver was a key component of the laser- controlled land leveling system. 激光接收器是激光控制平地系统的关键部分。 dictall