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1.The pin wheel housing is designed to protect the machine's internal components.
压轮壳体的设计是为了保护机器的内部组件。
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2.The pin wheel housing is made of a durable material that can withstand heavy loads.
压轮壳体由一种耐用的材料制成，能够承受重负载。
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3. The pin wheel housing is essential for maintaining the smooth operation of the machine.
压轮壳体对于保持机器的平稳运行至关重要。