墙裙
参考答案：在四周的墙上距地一定高度（例如1米5）范围之内全部用装饰面板、木线条等材料包住，常用于卧室和客厅。
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In low-speed network, it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down. In high-speed networks, this approach often works poorly, because in the ______ between sending the notification and notification arriving at the source, thousands of additional ______ may arrive. In ATM network, a major tool for preventing ______ is ______ control. When a host wants a new virtual ______, it must describe the traffic to be offered and the service expected.
A．path B．rout C．circuit D．way
