Every hour they have to record the condition of the pressure for explosion andthe engine

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Every hour, they have to record the condition of the pressure for explosion andthe engine movement in the ().

A.instruction book

B.hand book

C.log book

请帮忙给出正确答案和分析,谢谢!

热搜:medline数据库中to字段是表示非英文文献的原文题名