inland river navigation mark

基本解释

• [交通运输工程]内河航标

英汉例句

双语例句

• Because of technical reasons in traditional navigation mark monitoring system, its performance is not yet perfect. It seriously constrains inland river automation level.
  传统的航标灯监控系统由于技术的原因，性能尚不完善，严重制约了内河航道的信息化水平。

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专业释义

交通运输工程

• 内河航标