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来自维基百科,自由的百科全书
磨刀門水道是指珠江西江幹流江門市新會區大鰲鎮百傾頭至燈籠山河段,全長約44千米。傳說因流經磨刀山與小托山之間,所以命名為磨刀門水道,通西江與北江。磨刀門燈籠山站多年平均徑流量為883.96億立方米,占珠江八大門入海總徑流量的31.85%,該水道多年平均輸沙總量2341萬噸,約占珠江八大口門入海總沙量的33%[1]。經過整治,磨刀門水道長年能通行1000噸級的船舶[2]。
清代歸屬廣州府香山縣管轄,水口內有白石洲、燈籠洲、桅夾石諸礁島。舊日磨刀角大托山有兩個炮台,駐守桅夾門(磨刀門外口),磨刀角炮台駐防香山協營把總一員,士兵25[3]。
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