这本书提供了有关怎样修理汽车的各种资料。

This book gives all sorts of information on how to repair a car.

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目前各种资料对此均无明确规定，作者根据《煤矿安全规程》的有关规定，导出了过卷高度的计算公式，为矿井提升机设计提供理论依据。

According to the concerned rules in "safety regulations of Coal mine" author derived formulae to determine the overwind height, so a theoretical basis for mine hoist design was provided.

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