The feeders may be set in different modes, and are preferably connected to both the metal casing and one tubular conductor through insulator in the metal casing.
馈电器可以有多种设置方式，其中优选是使馈电器通过绝缘体穿过金属外壳且馈电器两端分别与金属外壳和管状导体相连接。
A system of material boundaries in the form of a solid dielectric rod or dielectric-filled tubular conductor capable of guiding high-frequency electromagnetic waves.
物质边界装置，形状是一根固体电介质杆或充满电介质的管状导体，能够导引高频电磁波。
A system of material boundaries in the form of a solid dielectric rod or dielectric-filled tubular conductor capable of guiding high-frequency electromagnetic waves.
物质边界装置，形状是一根固体电介质杆或充满电介质的管状导体，能够导引高频电磁波。
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