dustfall

基本解釋

The results illustrate: (1) The distribution of the dustfall in a year is not symmetrical in Hotan.
結(jié)果表明，和田降塵量的年內(nèi)分布極為不均。
Make use of waste water in the depositing tank for water spreading and dustfall so as to reduce dust in the air.
現(xiàn)場(chǎng)大門(mén)口設(shè)置草墊及高壓清洗機(jī)，及時(shí)沖洗車(chē)輪上的泥土，避免污染場(chǎng)外道路。
The dustfall samples collected under typical dust and non-dust weather were made particle size analysis in Lanzhou.
選擇蘭州市典型沙塵天氣和非沙塵天氣收集兩類(lèi)降塵,并對(duì)其進(jìn)行粒度測(cè)定。
The quantity of the dustfall in spring and summer accounts for 93.14 percent of the total quantity, and it's less in autumn, then the least in winter.
春夏兩季的降塵量占全年總降塵量的93.;14%25，秋季較少，冬季最少；
The dustfall samples collected under typical dust and non-dust weather were analyzed to examine their composition in Lanzhou.
選擇蘭州市典型沙塵和非沙塵天氣收集兩類(lèi)降塵,并對(duì)其元素組成進(jìn)行測(cè)定。