轴中心线在船体中线面上的轴系。
轴系校中 [机] shafting alignment ; centering of shafting
轴系中线 line of shafting ; shafting center line
轴系中间轴承 line shafting
轴系对中 shafting alignment ; shafts alignment
计算法轴系对中 centering of shafting by calculation
光学法轴系对中 centering of shafting by light
轴系找中不好 The alignment of shafting is incorrect
轴系中心定位块 center block for shafting alignment
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