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。

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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。

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While the tyred lift is on standby, the diesel electrical machine is still consuming extra diesel, but the track lift could repay some power to the grid while its lifting mechanisms are lowing.

别的， 轮胎吊处于等待状况时，柴油机还需损耗部分额外的油料，而轨迹吊在起升组织降低时还有部分能量反馈到电网。

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