Driving a tractor-trailer is not an easy job.
驾驶一辆牵引式挂车不是一项容易的工作。
Large semitrailer and tractor. Angle of trailer is adjustable.
大型半挂车和牵引车。可调整挂车转角。
Small semitrailer and tractor. Angle of trailer is adjustable.
小型半挂车和牵引车。可调整挂车转角。
Small semitrailer and tractor. Angle of trailer is adjustable.
小型半挂车和牵引车。可调整挂车转角。
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