main shut-off valve
查询英语单词中文释义、音标、发音和例句。
main shut-off valve
英
[main shut-off valve]
美
[main shut-off valve]
中文释义
总关闭阀
单词分析
单词结构：
main shut-off valve
字母数：19
记忆提示
🎯 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：2026-09-02 09:59:33