Spray irrigation is a water saving irrigation method because there is no water loss in transportation, it can save about half of water compared to surface irrigation.
喷灌是一种节水的灌溉方式，由于没有管道输水的损失，相比地面灌溉，喷灌可以节省将近一半的水分。
Based on the hydrodynamics theory, the pressure loss of the liquid within a pipe of spray boom was analyzed.
运用流体力学理论，对喷雾机喷杆压力损失进行了分析。
The correlativity between neutral salt spray accelerated test and atmospheric corrosion test in Shijiazhuang was studied by the mass loss determination of 45 steel, A3 steel, 20 steel and gun steel.
以45钢、A3钢、炮钢、20钢为金属试样，研究它们在中性盐雾加速试验及石家庄大气环境暴露试验中腐蚀失重与时间的变化规律。
应用推荐