The results showed that the level of fluorine pollution in fruits is related to the distance from fruit trees to the brickkiln and the variety of fruit trees.
结果表明，水果受氟污染的程度与果树距砖厂的距离及果树的种类有关。
The influence of pollution, faulty insulator position, insulator type, detection distance to the detection effect was analyzed by the test.
试验中分析了污秽、劣化绝缘子位置、绝缘子型式、检测距离等对检测效果的影响。
The total creepage distance of an insulator shall be not less creepage distance requested by the pollution level for the site.
绝缘子总的爬距应等于或大于由该地区污秽等级所要求的爬距。
The sulfur amount of the leaves presented a certain relativity to the distance from the pollution source. (7) the content of heavy metals element in different plants was different.
叶片含硫量与离污染源距离呈现出一定的相关性。(7)不同的植物叶片其重金属元素含量不同。
The degree of fluoride pollution not only depended on the distance from the geothermal well, but also depended on the rainfall difference...
污染程度不但与离地热井的距离有关，而且因我国南北地方降水量差异而有所不同；调查点的蔬菜及粮食氟含量均高于对照点。
The double-umbrella insulator has the advantages of improving the pollution-resistance performance of the insulator and increasing the creepage distance.
这种双伞绝缘子的优点是改善绝缘子的耐污秽性能，增加爬电距离。
The double-umbrella insulator has the advantages of improving the pollution-resistance performance of the insulator and increasing the creepage distance.
这种双伞绝缘子的优点是改善绝缘子的耐污秽性能，增加爬电距离。
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