潜水ポンプの帰属問題？
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諸大侠、お正月おめでとうございます。潜水ポンプのベアリングが壊れたり固まったりした場合、電気技師が修理を行うのでしょうか？修理に出すの？ありがとう
ベアリングが壊れているので、電気的な問題ではない。もちろん機械修理だ
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