下雨则可以让它保持干净：水流渗过橡胶颗粒并注入表层之下的排水管道中。
Rainfall helps keep it clean: water seeps through the rubber and drains into pipes just below the surface.
健康智能床垫生产线目标在于对抗灰尘和细菌，特点是表层设计成拉链，可以拿下来洗干净或者晒干。
A mattress line aimed at combating dust mites, mold and germs, the HealthSmart featured a zip-off top that could be washed or dry cleaned.
蒸汽干净举措，以杀死表层的细菌下方消毒。
Steam cleaning actions kills bacteria beneath the surface to sanitize.
蒸汽干净举措，以杀死表层的细菌下方消毒。
Steam cleaning actions kills bacteria beneath the surface to sanitize.
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