gravity-held check v
查询英语单词中文释义、音标、发音和例句。
gravity-held check valve
英
[gravity-held check valve]
美
[gravity-held check valve]
中文释义
重力式单向阀
单词分析
单词结构:
gravity-held check valve
字母数:24
记忆提示
🎯 重点记忆:
- 单词拼写:gravity-held check valve
- 核心含义:重力式单向阀
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更新时间:2026-09-21 01:46:38