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),尤其是對于不通航河流,是軟質(zhì)機(jī)動管線臨時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。