The material is one meterwide. 1.9 meters would be quite enough.
让我看看,这料子一米宽,五尺半就足够了。
2
When the calm flowing water of the Zambezi River encounters the 5, 578-foot-wide (1, 700-meter-wide) edge of the Victoria Falls gorge, it abruptly plunges 328 feet (100 meters) to the bottom.