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。
It is an important problem and struggle aspect for line fittings to increase transmission efficiency and reduce power loss in transmission and distribution lines.
在输配电线路中，提高输送效率、减小线路损耗是线路金具需要解决的重要课题。
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