HANDEDICT汉德词典
HanDeDict 汉德词典
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硬水•硬水yìng shuǐ
1 Wasserhärte (S, Chem)
硬水软化•硬水軟化yìng shuǐ ruǎn huà
1 Wasserenthärtung (S, Chem)
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