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artificial sand造句

"artificial sand"是什么意思   

例句與造句

  1. Application of artificial sands in shotcrete support of tunnel
    人工砂在隧道噴射混凝土支護中的應用
  2. Effects of artificial sand - fixation communities on soil nutrients and biological properties in horqin sandy land
    科爾沁沙地不同人工植物群落對土壤養(yǎng)分和生物活性的影響
  3. Additionally , pae polymer and artificial sand was used in the research , the mortar products were convenient in package , conveyance and application . so this paper plays a basement role of a large industry produce of mortar
    另外,由于研究過程中使用的是pae粉末和機制砂,與水泥按比例混合均勻后,易于包裝、運輸和使用,為建筑砂漿的工業(yè)化生產(chǎn)打下了基礎。
  4. As a result of its high capability in interception of precipitation and enhanced evaporation of soil surface , the development of microbiotic crusts will more and more threaten the soil water condition which the artificial sand - fixing vegetation should rely on
    在1956年固沙區(qū),原來的花棒+檸條+油蒿為主的人工系統(tǒng)向油蒿+霧冰藜+小畫眉草+隱花植物為主的半人工半天然系統(tǒng)的演變。
  5. In a wind - eroded region , such measures as exploitation of water resources , water diversion for sand removal , planting of trees and growing of grass , installation of artificial sand - break and forest network shall be adopted to build a protective system for windbreak and sand - fixation , thereby controlling hazards of sand storms
    在風力侵蝕地區(qū),應當采取開發(fā)水源、引水拉沙、植樹種草、設置人工沙障和網(wǎng)格林帶等措施,建立防風固沙防護體系,控制風沙危害。
  6. It's difficult to find artificial sand in a sentence. 用artificial sand造句挺難的

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