troughing

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. A system of troughs. countable,uncountable
    — troughing for signalling cables
动词 v.
  1. present participle and gerund of trough form-of,gerund,participle,present

词形变化

troughings plural
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