- series of tubes
- 串: string together
- 管束: restrain; check; control
- 列管式換熱器的管束: tube bundle of tube-type heat exchanger
- 列管: tube
- 管束: 1.(約束) restrain; check; control 嚴(yán)加管束 keep sb. under strict control; 這些孩子不聽管束。 the children were beyond control.2.(成捆的管子) pipe bundle; pipe column
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