... lightning grounding 闪电接地 lightning guard 避雷器 lightning guard 避雷针 ...
基于42个网页-相关网页
... lightning guard 避雷器 lightning guard 避雷针 lightning projecter 避雷针 ...
基于34个网页-相关网页
lightning arrester lightning guard 避雷器
lightning trouble guard 雷害防止
The aerial shall be suitably earthed to guard against lightning strikes and shall be securely mounted.
天线须适当地接地以防电击，并须牢固地架设。
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