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For a heavy rigid vehicle whose rear-most axle is a non-steering axle, the maximum rear overhang permitted including its load is the lesser of:
对于最后一根车轴为非转向轴的重型刚性车辆，其连同货物的最大允许后悬长度，应取以下哪组数值中的较小值？
For the heavy rigid vehicle described, maximum rear overhang is the lesser of 4 metres and 70% of the wheelbase.
最后轴为非转向轴的标准重型刚性车辆，后悬不得超过4米与轴距70%中的较小值。
阅读相关知识
Measure from the rear axis to the back of the vehicle or load, whichever is further back. Both limits apply; you cannot choose the larger figure.
后悬从后轴基准线量至车辆或货物最后端；必须同时满足两项，不能自行选用较大值。