• Each berth should be fitted with a comfortable mattress with cushioning bottom or a combined cushioning mattress, including a spring bottom or a spring mattress.

    每张床铺配备带有缓冲底板舒服床垫包括弹簧底板或弹簧床绷在内的复合缓冲床垫。

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  • The spring structure has the advantages of cushioning property, simple structure, low production cost and suitability for all vehicles.

    弹簧结构具有缓冲能力的同时,结构简单制造成本适用于所有车辆。

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  • The spring structure has the advantages of cushioning property, simple structure, low production cost and suitability for all vehicles.

    弹簧结构具有缓冲能力的同时,结构简单制造成本适用于所有车辆。

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