单选题 · 选择一个答案
Two non-steering load-sharing axles are spaced 1.5 metres apart. What type of axle set is this?
两根非转向承重轴共同分担载荷，间距1.5米。这属于哪种轴组？
Two non-steering, load-sharing axles spaced 1.5 metres apart form a tandem axle set.
两根非转向承重轴共同分担载荷、间距1.5米，属于串联双轴组。
阅读相关知识
A tandem set has two axles. The question specifies non-steering axles to distinguish it from a twin-steer axle set. Axle-set classification affects dimension and mass limits.
tandem axle set有两根轴；题中明确非转向轴，避免与双转向轴组混淆。轴组类型会影响尺寸和质量限值。