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单词
negative pressure valve
释义
negative pressure valve
美
英
un.
负压阀
网络
负压活门
英汉
网络释义
un.
1.
负压阀
1.
负压阀
valve... ... needle valve 针阀; 针孔阀
negative pressure valve
负压阀
; 负压活门 nitrogen blanketing valve 充氮管 ...
www.douban.com
2.
负压活门
valve... ... needle valve 针阀; 针孔阀
negative pressure valve
负压阀;
负压活门
nitrogen blanketing valve 充氮管 ...
www.douban.com
例句
释义:
负压阀,负压活门
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更新时间:2026/9/29 2:15:10