Flat saws are typically used to provide expansion joints, remove damaged pavement sections, clean and repair random cracks for repair, and remove concrete sections for demolition purposes.

单位锯通常用来提供伸缩缝，清除路段路面损坏、清洁保养修理随机裂缝、清除混凝土路段拆除。

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This paper describes the causes of early cracks on concrete pavement and presents the precautions for cracking.

详细论述了混凝土路面早期裂缝产生的原因，并提出预防早期裂缝的办法。

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This paper analyzes causes of four familiar cracks of asphaltum concrete pavement, and brings forward relevant prevention and maintenance method.

系统地对沥青混凝土路面四种常见裂缝产生的原因进行了分析，同时也提出了相应的预防与治理措施。

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Fans wearing the Brazilian national team's trademark yellow shirts milled around outside the stadium, where large cracks between concrete pavement blocks were filled with still-wet concrete.

WSJ: Brazil 2, England 2: Brazil's Maracan? Stadium, National Team Need Work