用特定的加载块反复对床垫进行冲击,评估其耐用性,和弹簧的坚牢保持度。
Test objectives: use specific block impact on the mattress over and over again, to assess their impact, and the durability of solid retentivity.
用特定的加载块反复对床垫进行冲击,评估其耐用性,和弹簧的坚牢保持度。
Test objectives: use specific block impact on the mattress over and over again, to assess their impact, and the durability of solid retentivity.
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