頁面加載中,請稍後......
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魚池該用多大的泵浦 |
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點評
揚程就是指馬達出水口到管路出水口之間這段管路的垂直距離
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小黑屋|手機版|Archiver|台灣錦鯉網 - 鑑賞、鑽研、交流、推廣錦鯉文化~
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