All the circuitry and electrical installation should be in good condition, meet the requirement of power machine, with reliable insulation and convenient control.
所有电路和电器安装，应在良好的条件下，符合规定。有可靠的绝缘，控制方便。
The influence of copper foil surface quality on electrical performance of power transformer is analyzed, the key technology for monitoring the surface flaw with machine vision system is studied.
分析铜箔表面质量缺陷对电力变压器电气性能的影响，研究采用机器视觉系统对铜箔表面质量缺陷监视的关键技术。
To avoid electrical shock hazards, never operate the sewing machine with the ground wire for the power supply removed.
为了防止触电事故，卸下电源地线的状态，请不要运转缝纫机。 收藏。
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