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open and shut valve
open and shut valve
英
[open and shut valve]
美
[open and shut valve]
中文释义
双位开关;双效开关
单词分析
单词结构:
open and shut valve
字母数:19
记忆提示
🎯 重点记忆:
单词拼写:open and shut valve
核心含义:双位开关;双效开关
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更新时间:2026-02-02 12:15:24