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derrick block
derrick block
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[derrick block]
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[derrick block]
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钻井架提升滑轮
单词分析
单词结构:
derrick block
字母数:13
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🎯 重点记忆:
单词拼写:derrick block
核心含义:钻井架提升滑轮
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更新时间:2026-03-22 01:59:52