中立关闭阀
词语: 中立关闭阀
解释: closed center
词典: 航空专业汉英词典
中立关闭阀 相关解释
closed center 〔名词〕中立关闭阀
closed center 中立关闭
中立关闭阀 〔名词〕closed center valve
中立关闭阀 closed center
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