And professional design and construction of various large contractors such as the asphalt road.

But, in working on the asphalt road surface, the conditions that temperature isolation always happened.

但是, 在沥青路面施工中, 沥青混合料的温度离析情况一直发生.

In front of the monument is a large, flat, straight brown asphalt road.

纪念碑的正前方是一条宽敞 、 平坦 、 笔直的咖啡色柏油大道.

They're walking on the asphalt road.

他们正行走在柏油路上.

The maple leaves had fallen and they lined the gutters of the asphalted streets.

枫树已经落叶,铺满了柏油路两旁的阴沟.

Asphaltic resins were synthesized from residual oil and FCC slurry in laboratory.

以不同渣油和FCC油浆为原料,在实验室合成了沥青树脂.

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.

Asphaltum concrete or cement concrete can be applied to ensure certain strength and stability.

可采用沥青混凝土或水泥混凝土,并具有一定的强度和稳定性.

Conclusion: MEBO has the advantages of easy application, complete removal of asphaltum and no side effect.

结论: 应用MEBO清除创面沥青,具有使用方便 、 清除效果好、无副作用等特点,值得推广应用.

This alter-quality solvents presents starlike in asphaltum, and its size and distribution will influence capability.

这些改性剂呈星点状分散在沥青中, 而颗粒的大小和分布将直接影响改性剂在沥青中发挥其性能.

Road asphaltum, cement, rolled steel, enginery lease out operation.

道路沥青 、 水泥 、 钢材及机具租赁业务.

The corresponding geometric models were presented based on given equation of the off-axis aspheric surfaces.

在给出离轴非球面方程的基础上,给出数控加工离轴非球面的相应的几何模型.

Manufacture of large aspheric lens, especially lapping of large aspheric lens, was very difficult.

国内大型非球面的加工流程一般是先精磨成最接近球面, 然后抛光修磨成非球面.

The ultra-precision lathe is extensive used in machining aspheric surface and ultra-smooth surface.

超精密 车床在非球曲面以及超光滑表面的加工中具有广泛应用.

The paper introduces the development of a large-scale aspheric surface machine toolgrinding and polishing.

从分析大型非球面零件加工需求出发,介绍了机床的总体方案及关键零部件的设计,并给出了设计结果.

The phase information of aspheric surface is evaluated by Hilbert transform only from one interferogram.

同时,本论文也论述了仅用一幅光载频干涉条纹获取非球面镜表面的全部相位信息的方法.

A method to measure coaxiality of axisymmetric aspheric lens is introduced.

介绍了一种轴对称非球面透镜的光轴共轴度的测量方法.

A new form generation method for ultra-precision axisymmetric aspheric mirrors is introduced.

介绍了轴对称光学非球面镜 超精密 加工的新方法.

The trend of intraocular lens design: aspheric or spherical?

非球面人工晶状体会全面取代球面人工晶状体 吗 ?

Aspheric optical parts manufacturing is an acknowledged difficulty and it is uneconomical.

非球面光学零件加工是当前国内外公认的难题.

In this thesis a technique of testing aspheric is discussed.

本文研究了实时测量非球面的技术.