retention tank

名词 n.
中文释义

英文释义

名词 n.
  1. A tank for the retention of toilet waste, e.g. on a train.
    — Eleven four-coach 'Castles' are on order, with eight delivered. These are former GWR Mk 3s that have been converted by fitting sliding doors, passenger information screens and retention tanks.

词形变化

retention tanks plural
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