general repair短语³⁷³⁹⁵ 基本例句 大修 The paper makes analysis to general repair and reconstruction scheme of H-128 rock drilling rig, and indicates the problems exist in implementation of scheme and relevant resolvent. 对凿岩台车大修改造方案进行了分析，指出了该方案在实施过程中存在问题及解决的办法。 chemyq