contact rail的意思|示意
美 / ˈkɔntækt reil /
英 / ˈkɑnˌtækt rel /
导电轨
contact rail相关例句
To supplement his viewpoint, the author finally introduces the characteristics of the aluminum alloy contact rail.
最后对钢铝复合接触轨的特性作了介绍.
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