periodiden.[化]高碘化物periodn.一段时间；周期；时期；课时；学时；句号；月经periodontal support tissue牙周支持组织period of first impounding首次蓄水期period of Anti - Japanese抗战时期period of local arrangement位置安排期 位置安排期Period of normal creatinine肾功正常期period depreciation charges[经] 当期折旧费, 每期折旧费periodontal membrane nerves牙周膜神经period ion exchangecapacity周期交换离子量Periodontal attachment loss牙周附着丢失period of construction cost工期费用

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