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毎日1問、正解しても賞品なし、娯楽を目的とする

2019-12-29View Original

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57.?E232型煙ガスタービンの過渡ケーシングを組み立てる際、各シール面には耐熱性()のシーリング剤を均等に塗布しなければならない。 A、800℃ B、500℃ C、400℃? 昨日の問題の答え:B 56.油洗浄は連続して()時間稼働させた後、フィルターに硬質の不純物がないことを確認して初めて合格とみなされる。?A、2 B、4 ?C、3

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