保型油箱（英语：Conformal Fuel Tank），是一种飞机的外部油箱，其外型与机身有一定程度融合，较低干扰气动外型，但是成本较高。通常用于军机，额外好处是不必占用一个武器挂点，缺点是装载的燃料使用完后无法在飞行中途抛弃，造成额外的重量负担。[1]
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