Function of social support played a protective factor for health.
社会支持利用是健康的维护因素。
Flight cases and protective crates provide general structural support and protect from heavy impact.
机箱和保护箱沉重的影响，一般提供结构支撑和保护。
Flight cases and protective crates provide general structural support and protect from heavy impact.
机箱和保护箱沉重的影响，一般提供结构支撑和保护。
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