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sông 11111 KHO 13 12 11 10 AO LẮNG Bể gièo Bể ấp art Bể chứa Bể lọc thô Bể xử lí Máy khí Hệ thống ống khí Bể lọc thô gồm: 1.5 m3 cát, viên đá chẻ, vải trắng 1m2 1.3m 1.5m 1.3m 1.7m