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毎日1問、正解しても賞品なし、楽しみが目的

2019-12-27View Original

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55. 薄壁瓦の使用中に軸との間で研摩事故が発生した原因は()。?A、潤滑油供給なし B、軸受カバーのボルトの締め付けトルクが過大 C、軸受の隙間が大きい 昨日の問題の答え:B 54.フライホイールの遠心力とばね力が()することで、調速器システムが揺れる。?A、バランスが取れている B、バランスが取れていない?
Reply #22019-12-30
B、軸受カバーボルトの締め付けトルクが過大

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