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packing ring
packing ring
英
[packing ring]
美
[packing ring]
中文释义
[化] 密封圈; 填料环 [医] 充填圈
单词分析
单词结构:
packing ring
字母数:12
记忆提示
🎯 重点记忆:
单词拼写:packing ring
核心含义:[化] 密封圈; 填料环 [医] 充填圈
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更新时间:2026-03-17 14:38:34