Emulsified asphalts for agricultural applications met provisional technical requirements were prepared by sifting raw material with laboratory and pilot tests.
通过实验室小型和中型试验，对沥青原料进行了筛选，研制出符合暂定技术要求的农用乳化沥青产品。
Emulsified asphalts for agricultural applications met provisional technical requirements were prepared by sifting raw material with laboratory and pilot tests.
通过实验室小型和中型试验，对沥青原料进行了筛选，研制出符合暂定技术要求的农用乳化沥青产品。
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