purchase block
查询英语单词中文释义、音标、发音和例句。
purchase block
英
[purchase block]
美
[purchase block]
中文释义
起重滑车
单词分析
单词结构：
purchase block
字母数：14
记忆提示
🎯 重点记忆：
- 单词拼写：purchase block
- 核心含义：起重滑车
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更新时间：2026-08-30 11:19:59