compound column的意思|示意

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compound column相关短语

1、 compound rectifying column 复合精馏塔,复式精馏柱

2、 compound drill column 复合钻柱

3、 compound d rectifying column 复合精馏塔

4、 welded compound-ring-hoop concrete column 复合焊接环式箍筋混凝土柱