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subsurface safety valve
subsurface safety valve
英
[subsurface safety valve]
美
[subsurface safety valve]
中文释义
井下安全阀
单词分析
单词结构:
subsurface safety valve
字母数:23
记忆提示
🎯 重点记忆:
单词拼写:subsurface safety valve
核心含义:井下安全阀
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更新时间:2026-04-10 04:56:30