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毎日1問、正解しても賞品なし、楽しみが目的

2019-12-19View Original

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47. スラスト軸ブッシングの研磨は、主軸ブッシングの研磨()の後に行わなければならない。?A、前方 B、後方 C、同時 昨日の答え:A 46.歯車伝動において、運動を伝達する精度とは、歯車が1回転する際の最大の()誤差のことか?A、回転角 B、変位 C、隙間

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