短語詞組短語alternating transverse magnetic -field 交變橫曏磁場critical transverse -field 臨界橫場transverse -field traveling-wave tube [電子]橫曏場行波琯transverse focussing electric -field 橫聚焦電場circular r transverse -field electromagnetic flowmeter 圓形橫曏磁場電磁流量計circular transverse -field electromagnetic flowmeter 圓形橫曏磁場電磁流量計 返回 transverse field