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direct seal valve
direct seal valve
英
[direct seal valve]
美
[direct seal valve]
中文释义
盘形封接管
单词分析
单词结构:
direct seal valve
字母数:17
记忆提示
🎯 重点记忆:
单词拼写:direct seal valve
核心含义:盘形封接管
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更新时间:2026-02-01 21:39:57