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Seat cushion is made from rigid foam, has curved cross-section with straight side at rear and curves to point at front

机译：座垫由硬质泡沫制成，横截面为弧形，后部为直边，尖端指向前部

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摘要

The seat cushion is made from rigid foam. It has a curved cross-section with a straight side at the rear and curves to a point at the front.

机译：座垫由硬质泡沫制成。它具有弯曲的横截面，后部为直边，而前部则弯曲成一点。