(a) an arrangement of pipes (for steam, water, sewage, etc.) that forms a loop whose draw-off points are supplied by flow from two directions; (b)…
| 单词 | θ77930 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electrical power, electricity > distribution system > [noun] > cable > supplying the public > allowing alternative path (1) ring main1868 (a) an arrangement of pipes (for steam, water, sewage, etc.) that forms a loop whose draw-off points are supplied by flow from two directions; (b)… |
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