The river is navigable by vessels of up to 90 tons.
90 吨以下的
只
以从这条河通过。

)
航行〔通航〕的
只、飞机等)
领航的;
操纵的

舶等的)适航性
路;
得到的;
地;
用的;The river is navigable by vessels of up to 90 tons.
90 吨以下的
只
以从这条河通过。
An interim goal was set to insure that all navigable waters would be fishable and swimmable by 1983.
而短期目标是到1983年保证通航

以钓鱼
游泳。
With descending of the main pier s foundation slab and integral moving of pier,not only the navigable dimensions meet the demand,but also the influence on upbound ships is very li.
通过下降主墩承台及整体北移桥墩,使通航尺度达到要求,且对
舶上行影响极小。
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