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Under standard mass limits, what is the maximum load on a stand-alone twin-tyred single axle, within tyre and axle ratings? Exclude multi-axle sets and permits.
標準質量限制下，獨立雙輪胎單軸在不超過輪胎及車軸額定值時，上限是多少？不涉及多軸組或特別許可。
The standard maximum for the stand-alone twin-tyred single axle described is 8,200 kg, within tyre and axle ratings.
題中普通獨立雙輪胎單軸，質量上限為8200公斤，並須不超過輪胎和車軸額定值。
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This question excludes multi-axle sets, HPMV and other permits. Lower vehicle, road or other applicable limits still govern the actual permitted mass.
本題不涉及多軸組、HPMV或其他許可；實際允許質量還受車輛及道路等更低限制約束，不能只套用一個軸重數值。