Others are spraying them with a chemical to retard growth.
另一些人则往树上喷洒化学药剂以延缓树的生长。
The sound of water and air spraying out with one giant breath into the atmosphere.
水和空气的声音喷薄而来，营造了一种特定的氛围。
The whole machine is dealt with through phosphate antisepsis plastic spraying.
整体机柜通过磷酸盐防腐喷塑处理。
This could involve spraying it with water repellent when you first buy it .
这可能涉及喷洒一次，当你用防水买。
Several coating spraying methods were also dealt with.
介绍了几种喷涂方式的特点。
The technology is studied on steel pipeline surface by hot spraying with oxygen natural gas.
研究了在钢质管道表面采用氧气—石油天然气火焰熔覆玻璃涂层的工艺。
Alternating the use of spraying every 7 days with good control effect.
交替使用，每隔7天喷施具有良好防效。
Aluminium housing, gear box, neck, surface with powder spraying treatment.
铝制灯体、电器箱、头颈，表面喷塑。
The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
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