The traffic flow control under various bad weather conditions is the current important problem to resolve urgently.
各种恶劣气象条件下的高速公路的交通流控制是目前急需要解决的重要问题。
The traffic flow control under various bad weather conditions is the current important problem to resolve urgently.
各种恶劣气象条件下的高速公路的交通流控制是目前急需要解决的重要问题。
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