All tolled, energy saving through technical innovation and structural adjustment will amount to 48%.
技术节能与结构节能合计，可实现节能48%。
Elaborate new toll systems are popping up all over the world. And it is no longer just highways, Bridges or tunnels that get tolled, but entire city centres or national road networks.
设计新的公路收费系统的热潮正在全世界兴起，已不只包括高速公路、桥梁和隧道，甚至包括整个城市中心与国家公路网络。
Elaborate new toll systems are popping up all over the world. And it is no longer just highways, Bridges or tunnels that get tolled, but entire city centres or national road networks.
设计新的公路收费系统的热潮正在全世界兴起，已不只包括高速公路、桥梁和隧道，甚至包括整个城市中心与国家公路网络。
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