层拉平水平切片
horizontal slice of level flattening
城市节水水平
the level of city water-saving
城市节水水平综合评价
Comprehensive Assessment of Urban Water Saving Level
垂直与水平刀缝
Vertical and horizontal knife gap
供水水平
amount of water - applied
irrigation rate
农田灌溉节水水平
the level of water-saving agricultural irrigation
水刀切割器
water cutterung apparatus