When it concerns the deep submergence rescue in the world, on the condition of low visibility and great-ocean current, especially large leaning, it is very difficult for DSRV to mate with the wrecked submarine under water and realize rescue.是什么意思_When it concerns the deep submergence rescue in the world, on the condition of low visibility and great-ocean current, especially large leaning, it is very difficult for DSRV to mate with the wrecked submarine under water and realize rescue.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句