屋顶上是煤渣块和木板条压着塑料油布。房间里，地板上是少许的混凝土，墙上布满了塑料板，还有几处是报纸。

Cinder blocks and wood planks anchor plastic tarps on the roof. Inside, the floors are bare concrete and the walls are covered with plastic sheeting and, in places, newspaper.

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煤渣有众多的工业用途：可制成水泥、混凝土还有高速公路的基土。

Coal ash has a number of industrial uses-cement, concrete and highways among them.

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隔墙提供了面向街道的私密性，同时允许视野和光线穿透，它由预制混凝土煤渣砖建造，让人想起过去的年代。

The screen offers privacy from the street while allowing views and light to permeate and is constructed from standard pre-cast concrete breeze blocks reminiscent of a bygone era.

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通过实验室试验和工业性试制，对用电厂湿排煤渣替代砂配制的混凝土小型空心砌块进行了研究。

Study is made on preparation of small concrete hollow block using cinder wet discharged from power plant instead of sand by laboratory and industrial experiments.

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在20世纪晚期，另一种块材取代了粘土砖，这就是所谓的煤渣砌块，它们大都由混凝土制成。

Another type of block replaced clay bricks in the late 20th century. It was the Cinder block, made mostly with concrete.

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在20世纪晚期，另一种块材取代了粘土砖，这就是所谓的煤渣砌块，它们大都由混凝土制成。

Another type of block replaced clay bricks in the late 20th century. It was the Cinder block, made mostly with concrete.

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