The primary classification describes the main hazardous property of a hazardous waste.

主要类别描述危险废物的主要的危险性质。

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The stability is one primary problem of construction waste landfill site engineering.

稳定性是建筑垃圾填埋场工程的主要问题之一。

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Landfill is a primary method of ultimate disposition of municipal solid waste in many countries. The liner system of such disposal field is the key part of the whole system.

城市固体废弃物填埋场是许多国家最终处置固体废弃物的主要方法，其衬垫系统是填埋场整个系统中最关键的部位。

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At best could entirely eliminate the need for more primary production such is the scale of waste.

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More than where to go to the bathroom, how to dispose of human waste is, as Auerbach points out, a primary reason that no one touches the issue of toilets.

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The National Union of Teachers says this is a waste of public money when some areas face an acute shortage of primary places.

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