Surface water is the common quality problems that exist in construction, also has been unable to solve the problem very well. Currently, more use of the rigid and flexible waterproof two approaches. As the temperature response of rigid water-proof, easy to crack water seepage; flexible waterproof, mostly asphalt, linoleum and other organic materials, easy to aging, short life. In recent years, although a variety of new waterproof material one after another, but higher prices, lack of construction experience, and needs further testing, and durability reasons. Therefore, it is still mainly used cheaper materials.
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We own five trucks equipped with infrared technology, which we use to restore asphalt surfaces, mostly on heavily traveled roads.
我们拥有五辆配有红外技术的卡车，用来修复柏油路面，大多数是那些交通繁忙的路段。
The asphalt mostly through the natural evaporation and oxidation, generally do not contain any poison.
这种沥青大都经过天然蒸发、氧化，一般已不含有任何毒素。
I mostly run on asphalt and concrete (the street), and occasionally on a rubber or dirt track.
我主要在沥青和水泥地(街道)上跑步，偶尔在橡胶跑道或泥道上跑步。
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