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back-up roll
back-up roll
英
[back-up roll]
美
[back-up roll]
中文释义
支撑轧辊;支承辊
单词分析
单词结构:
back-up roll
字母数:12
记忆提示
🎯 重点记忆:
单词拼写:back-up roll
核心含义:支撑轧辊;支承辊
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更新时间:2026-01-30 02:43:38