The earth wire was not connected.
地线没有接上。
Please ensure that the earth wire is connected reliably.
请确认地线衔接牢靠。
The earth wire of the UPS must then be connected to an efficient earth system.
UPS的地线必须与有效的接地系统连接。
The earth wire of electric motor should be special one (with the color of yellow and green).
电机应用专用接地线（黄绿相间）。
The protective earth wire is mainly to reduce the strong electromagnetic interference generated by the breakdown of the sample.
接保护地线，主要是减少试样击穿时对周围产生的较强的电磁干扰。
The mechanical characteristics of OPGW are very important to OPGW safe-running as earth wire, especially the tensile strength, creep and fatigue.
OPGW的力学特性对于OPGW作为地线安全运行很重要，尤其是拉断力、蠕变、振动疲劳特性。
In the ice calamity accident of power grid on beginning of 2008, the common condition in the accident of transmission line was the ice loading on earth wire fittings and insulators.
在2008年初的电网冰灾事故中，导地线金具和绝缘子覆冰掉串是输电线路事故中常见的情况。
In the ice calamity accident of power grid on beginning of 2008, the common condition in the accident of transmission line was the ice loading on earth wire fittings and insulators.
在2008年初的电网冰灾事故中，导地线金具和绝缘子覆冰掉串是输电线路事故中常见的情况。
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