Two, note observation and criterion, particularly is at turn, slopeing way, branch road, top and bottom bridge etc. drive ice snow mushroom shrouding condition down, don't blindly pass.
注意观察和判断，尤其是在转弯、坡道、岔道、上下桥等处被冰雪覆盖情况下，不要盲目通过。
The main task of branch of traffic city building is seasonable to the bridge road with bad shake rush to repair, safeguard is urban and rural road is expedite.
交通城建部门的主要任务是对震坏的桥梁道路及时抢修，保障城乡道路畅通。
The model is applied to simulate the flow and concentration fields in the north branch of Changjiang estuary after the building of Chonghai Road Bridge.
模型应用于长江口北支崇海公路大桥修建后的流场浓度场的数值模拟。
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