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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

2019-12-11View Original

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39.オーバーフローバルブは、油圧システム内の()を安定した状態に保つために使用される。?A、流量 B、方向 C、圧力 昨日の問題の正解:C 往復式圧縮機のシリンダーの上死点と下死点のバランス調整には()を使用できる。A、スライダー B、ピストン C、ピストンロッドのカバー

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