HANDEDICT汉德词典
HanDeDict 汉德词典
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止回阀•止回閥zhǐ huí fá
1 Rückschlagventil (S)
双重止回阀•雙重止回閥shuāng chóng zhǐ huí fá
1 Doppelrückschlagventil (S, Tech)
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