通道保護path: n. (pl. paths ) 1.(自然踏成的)路;路 ...protection: n. 1.保護,保衛(wèi),防御,掩護,包庇,照顧 (from ...lplow order path protection: 低階通道保護pps path protection switching: 通道保護倒換up path protection ratio: 上行線路保護比下載手機詞典可隨時隨地查詞查翻譯