结构：流量变送器主要由壳体，非流线性柱体，检测器，磁钢等零部件组成。
Structure: Flow transmitter is consisted by shell, non-linear column, test, magnetic steel, etc.
机床是由不同零部件组成的复杂机械结构。
Machine tool is a complicated mechanical structure composed of many different parts.
机床是由不同零部件组成的复杂机械结构。
Machine tool is a complicated mechanical structure composed of many different parts.
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