短語(yǔ)詞組短語(yǔ)very -high-speed hardware 高速硬件Very -high-speed Digital Subscriber line VOSL 高速數(shù)字用戶線路very high -speed backbone network service 超高速骨干網(wǎng)絡(luò)服務(wù) 返回 very-high-speed