A good specification will expand or clarify drawing notes, define quality of materials and workmanship, establish the scope of work, and spell out the responsibilities of the prime contractor.

一份好的说明书将使图纸说明得到扩展和澄清，规定材料和技术质量，规定施工范围，并指出直接承包者的职责。

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Below I T68 type boring to overhaul to describe my work scope and responsibilities: a: before practice steps to work.

下面我以大修t68型镗床，来具体描述我的工作范围和职责：步骤A：修前准备工作。

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