| 1. | Damage from salt spray affects many other conifers .
许多其他针叶树因药剂喷洒的的影响而受害。 |
| 2. | Automatic essence injection for steam baths . dose pump with variable speed
蒸汽浴自动喷洒系统-可调节每注喷洒的速度 |
| 3. | There are also some specially formulated pyrethroid products with extended residual activity that can be applied as residual sprays
有些配方的产品具有较持久残留作用，可用作残留喷洒的方法去施放。 |
| 4. | Equipment used for spraying can range from a small hand - held compression sprayer to a gas - powered backpack sprayer to a hydraulic mist blower
用来喷洒的设备大小不一，可以是小型手提喷洒泵，或者是用背负式机动喷洒装置，甚至是大型的喷洒机。 |
| 5. | Residual spraying is usually carried out in the form of a fine spray made to the surface where mosquitoes may come into contact
残留喷洒是向蚊子可能接触的表面施放杀虫剂。由于喷洒的形式是以药液或较大的滴液进行，所以很快便会停留在处理过的表面。 |
| 6. | The results showed that the plant growth power , quality and yield of the three vegetables with beneficial microecologigal preparation were obviously better than the control
结果表明：使用益微制剂后白菜、小萝卜和番茄的植株生长势、品质和产量明显比未喷洒的要好。 |
| 7. | Study indicates that weed is n ' t well - distributed , so we should find a variable - controlling spraying method . it is to spray in the region where there are weed patches , and to stop in the region where there are not
大量的实验表明田间杂草的分布是不均匀的，因此就要研究一种变量喷洒的方法，即在有杂草的地方喷洒，在没有杂草的地方或杂草密度很低的地方就停止喷洒。 |
| 8. | As the droplets of the spray are much larger , they settle very quickly on the surface of treated areas . residual effects usually last from a few days to about a week to several weeks depending on the product used . mosquitoes rest or land in treated areas may be killed
其效力通常可维持数天至一星期或数星期不等，视乎产品的有效成分及配方，而蚊子在经喷洒的地方停留或栖息便会死亡。 |
