navigational condition

• 通航条件

navigational condition的用法和样例：

例句

1. It can improve the navigational condition of the upper reaches of the Yangtze River.
   三峡工程可以改善长江上游航道的通航条件。
2. The low water level of Yichang Section is a characteristic parameter which reflects the navigation condition of Gezhouba ship locks.
   摘要宜昌断面的枯水水位是反映葛洲坝船闸通航条件的特征参数。