标题: 逐条学习第8章 [打印本页] 作者: magebao 时间: 2011-9-4 18:31 标题: 逐条学习第8章 8.1.1要求:
It shall not be possible to touch live parts or live parts protected only by lacquer, enamel,ordinary paper, cotton, oxide film, beads, or sealing compound except self-hardening resins,with the probe.