Frame Relay Layer Management Entity 帧中继层管理实体
trunk relay layer 主干中继层
network layer relay 网络层转接
NLR Network Layer Relay 网络层转接
layer relay 层中继
application layer relay 应用层中继
link layer relay service 链路数据转发服务
Lay a layer of clay on the displayed layout before the relay race.
接力赛之前在展示的陈设上铺一层黏土。
Electrical products which have LCD time counter, Layer sensor, Three-phase AC fault protection relay and so on.
其中电器类产品有液晶显示计时计数器、平层感应器、断相错相三相交流保护继电器等等。
High temperature, coating composition change, expansive agent happen quickly, thus forming porous expansion of insulating layer, prevent heat to the tunnel masonry relay.
高温时，涂料成分发生改变，膨胀剂迅速发生膨胀，从而形成多孔的隔热层，阻止热量向隧道砌体的传递。
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