单词：protection valve
protection valve的用法和样例：
例句
- The safety valve of his anger opened.他控制怒火的安全阀打开了。
- There must be no valve between the relief valve and heater.在安全阀和热水器之间不能够安装任何阀门。
单词：protection valve 相关文章
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老外最常用的英文短语