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来源：雅诚德英语网
Use to estimate turning radii for a typical tractor with semitrailer and full trailer.
用于估计带有半挂车和全挂车的典型牵引车的转弯半径。
Use to estimate turning radii for a typical tractor with semitrailer and full trailer.
用于估计带有半挂车和全挂车的典型牵引车的转弯半径。