研究设计了一艘适用于浅海油田的高速交通艇。
A high speed traffic boat for shallow waters has been studied and designed.
交通管理指挥人员应当保证消防车、消防艇迅速通行。
Traffic commander shall guarantee the fast and smooth passing of fire trucks and fire boats.
交通管理指挥人员应当保证消防车、消防艇迅速通行。
Traffic commander shall guarantee the fast and smooth passing of fire trucks and fire boats.
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