单语范例（未经PONS编辑处理）
It also helps old cars designed for leaded fuel run on unleaded fuel without need for additives to prevent valve problems.
en.wikipedia.org The filler pipe of unleaded fuel is smaller than the one for fuels for engines designed to take leaded fuel.
en.wikipedia.org Reliant also started offering an unleaded engine (shown by having a green rocker cover) which featured different stem seals.
en.wikipedia.org The organisation campaigned for the compulsory wearing of seat belts, and for the introduction of unleaded petrol.
en.wikipedia.org These usually can be updated with hardened valve seats that resist wear, regardless of whether leaded or unleaded fuel is used.
en.wikipedia.org 互联网提供的例句（未经PONS编辑处理）
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www.c303.de The picture of the cockpit shows the place for choke and hand throttle, which have been empty after the changes for unleaded petrol.
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Die Aufnahme vom Cockpit zeigt die Positionen für Choke und Handgas, die nach dem Umbau auf bleifreies Benzin leer geblieben sind.
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