innavigable

基本解釋

Therefore, the water-surface crossing with mobile flexible pipelines is often adopted and it is a first choice to cross an innavigable river.
軟管水面穿越河流具有鋪設(shè)迅速,檢修方便,容易掌握和使用等優(yōu)點(diǎn),尤其是對(duì)于不通航河流,是軟質(zhì)機(jī)動(dòng)管線臨時(shí)穿越河流的首選方式。
The technique of pier integral precasting at the sea was researched and applied in the innavigable section construction of Donghai Bridge(the first bridge at the sea in China).
海上墩柱整體預(yù)制吊裝在我國(guó)第一座外海橋梁東海大橋非通航段施工中得以研究和全面應(yīng)用。