由于销售期短和残值很低，季节性产品普遍采用正常销售和季末降价结合的动态定价模式。
Due to the short selling period and the low residual value, seasonal products commonly adopt the inter-temporal pricing model combined with normal selling and last time salvage.
陆晓丰，沈琰。 插销式嵌体冠在短牙合龈距磨牙残冠修复中的临床应用[J]。
LU Xiao-Feng, SHEN Yan. Clinical application of insertiontype separate inlay crown in the restoration of molar residual crowns with low occlusogingival distance[J].
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