And the appropriate control position of shift gear and the fifth wheel can ensure safe and efficient control.
变档和第五轮控制位置恰当，确保安全及高效控制。
The tractor frame uses super-long fifth-wheel pick-up plate as well as plate reinforced cross member.
牵引车车架采用了超长的鞍座连接板及连接板加强横梁。
The evertible reinforced fifth-wheel pick-up plate is introduced on the reinforced frame. The adoption of two-layer fifth-wheel pick-up plate enables it carry more load.
并在加强型车架上增加了外翻式加强鞍座连接板，双层鞍座连接板的采用，使其更具有超强的装载能力。
The evertible reinforced fifth-wheel pick-up plate is introduced on the reinforced frame. The adoption of two-layer fifth-wheel pick-up plate enables it carry more load.
并在加强型车架上增加了外翻式加强鞍座连接板，双层鞍座连接板的采用，使其更具有超强的装载能力。
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