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Two non-steering load-sharing axles are spaced 1.5 metres apart. What type of axle set is this?
兩根非轉向承重軸共同分擔載荷，間距1.5米。這屬於哪種軸組？
Two non-steering, load-sharing axles spaced 1.5 metres apart form a tandem axle set.
兩根非轉向承重軸共同分擔載荷、間距1.5米，屬於串聯雙軸組。
閱讀相關知識
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有兩根軸；題中明確非轉向軸，避免與雙轉向軸組混淆。軸組類型會影響尺寸和質量限值。