(2014年真题)通常情况下,耐火浇注料搅拌均匀后应在( )内完成浇注。A.30

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问题 (2014年真题)通常情况下,耐火浇注料搅拌均匀后应在( )内完成浇注。A.30minB.45minC.60minD.90min

选项 A.30min
B.45min
C.60min
D.90min

答案 A

解析
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