The suitable planting density and time of sowing are favor of optimum use of soil water and improving water use efficiency, and make potato increasing its output.
适宜播种密度和播期有利于土壤水分的优化利用和水分利用效率的提高，可促进旱地马铃薯增产。
The iron powder will fall into the recycle cavity, and at the same time, wash it adequately using the high-pressured water, so that it could reduce the gangue grade and increase output.
当针盘旋出磁场、针磁力消失，铁粉落入回收仓，同时利用高压水使之冲洗更充分，从而降低尾矿品位，提高产量。
Some time after installation, if the water output becomes less or the bubbling effect is not obvious, you can remove the bubbling head and have it washed;
使用一段时间后，如出水量变小，起泡效果不明显，可拆下起泡头冲洗干净后再安装使用。
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