光波導(dǎo)光導(dǎo)bent lightguide: 彎曲光波導(dǎo)branching lightguide: 分支光波導(dǎo)管flexible lightguide: 撓性光導(dǎo)leaky lightguide: 漏泄光波導(dǎo)lightguide core: 光波導(dǎo)心線下載手機詞典可隨時隨地查詞查翻譯