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【空調版】毎日一問20180105

2018-01-05View Original

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判断:高圧ゴムホースはアセチレンガスと酸素の輸送に使用され、一般的に酸素用ホースは黒色で2MPaの圧力、アセチレン用ホースは赤色で0.5MPaの圧力です。( ) 正解:誤り
Reply #22018-01-05
高圧ゴムホースはアセチレンガスと酸素の輸送に使用され、一般的に酸素用ホースは黒色で2MPaの圧力、アセチレン用ホースは赤色で0.5MPaの圧力です。( X)
Reply #32018-01-05
判断:高圧ゴムホースはアセチレンガスと酸素の輸送に使用され、一般的に酸素用ホースは黒色で2MPaの圧力、アセチレン用ホースは赤色で0.5MPaの圧力です。(エラー)

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