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单词
pump check valve ball
释义
pump check valve ball
美
英
un.
止回阀球
英汉
网络释义
un.
1.
止回阀球
1.
止回阀球
valve 阀门专业词汇A-Z ... pulse valve 脉冲阀; 脉冲管
pump check valve ball
止回阀球
pump check valve 泵的止回阀; 泵止逆阀 ...
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be under detention
be under discussion
be under dog
be under fire
be under house arrest
be under investigation
be under medical treatment
be under no illusion
be under no illusion about
be under no illusion as to
be under notice
be under oath
be under orders
be under orders to
be under pledge
be under pressure
be under repair
be under restraint
be under review
be under sail
be under siege
be understood
be under suspicion
be under the command of
be under the dog
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更新时间：2025/4/30 8:52:51