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称杆碛和火焰碛,为长江兰一叙段著名的砂卵石浅滩,位于泸州市上游约5公里,称杆碛在上,火焰碛在下,相隔1公里。
The moraine and the flame moraine are the famous sand-gravel shoals in the Lanzhou-Changyan section of the Changjiang River. They are located about 5 kilometers upstream of Luzhou City. They say that the moraine is on the moraine and the next one km away.