What thing is the demulcent stick that uses after the operation? Why to use with respect to indolence? What principle?
手术后使用的镇痛棒是什么东西?为什么用了就不痛了?什么原理?。
What thing is the demulcent stick that uses after the operation? Why to use with respect to indolence? What principle?
手术后使用的镇痛棒是什么东西?为什么用了就不痛了?什么原理?。
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