沥青的例句（沥青在句子中的用法）

• They used pitch to cover roofs. 他们用沥青涂盖屋顶。
• asphalt macadam 沥青碎石
• contain bitumen 含沥青
• A model asphalt had been separated into four components: asphaltenes , saturates, aromatics and resins. 用四组分法将沥青分为饱和分 、 芳香分、胶质、沥青质.
• The road was metalled, then asphalt was laid. 道路被铺上碎石子, 然后再铺以沥青.
• Terraces of asphalt are placed by the building's south and west facades. 沥青露台位于建筑的南面和西面.
• The paper introduces the research on RHJ asphalt emulsifiers cations. 介绍了RHJ型阳离子沥青乳化剂的研究过程.
• The irradiation stability of bitumen and bituminized producthas been investigated. 本文研究了沥青及沥青固化产品的辐照稳定性.
• Flame - retardant asphalts with different flame - retardant ( H , L , W ) were prepared. 选用三种阻燃剂 分别制备 了不同的阻燃沥青.
• In the island of Trinidad the oil is in the form of asphalt. 在特立尼达岛,石油以沥青的形式出现.
• The roof was covered with tar. 屋顶涂抹了一层沥青.
• The ichthyosaur remains are found in black, bituminous marine shales deposited about 190 million years ago. 人们在黑色的 、 含沥青的海洋页岩中发现了约1.9亿年前沉积下来的鱼龙化石.
• The article introduced the category of natural bitumen and the characteristic of gilsonite. 介绍了天然沥青的种类与天然岩沥青的特点.
• The new visbreaking process with de - oiled asphalt feedstock is discussed. 论述了以脱油沥青为原料的减粘裂化新工艺.
• Residue processing can be summarized as decarbonization, hydrogenation and asphalt gasification. 渣油加工有脱碳工艺 、 氢工艺及沥青气化工艺.
• The article introduces research and application situation of solvent deasphalting - deoiling asphalt gasification - deasphalting oil FCC group technology. 介绍了渣油溶剂脱沥青 - 脱油沥青气化 - 脱沥青油催化裂化组合工艺的研究及应用情况.
• Shipbuilders caulk wooden boats with oakum and tar. 造船工匠用麻丝和沥青填塞木船缝隙,使之不渗水.
• Boron - substituted polyaromatic mesophase prepared by co - pyrolysis of a tar pitch with pyridine - borane complex under autogeneous pressure. 以煤焦油沥青和吡啶硼烷为原料采用加压热缩聚工艺制备硼取代聚芳烃中间相沥青.
• Stable size and good filter efficiency of the bituminous. 尺寸稳定,沥青浸渍性好.
• In 1969 a ( 51 mm ) bituminous concrete overlay was placed on the concrete deck. 1969年在混凝土板上铺设了51mm厚的沥青混凝土铺装层.