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main shut-off valve
main shut-off valve
英
[main shut-off valve]
美
[main shut-off valve]
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单词分析
单词结构:
main shut-off valve
字母数:19
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🎯 重点记忆:
单词拼写:main shut-off valve
核心含义:总关闭阀
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更新时间:2026-01-19 15:03:08