能促进维生素B12吸收的物质是()A、胃蛋白酶B、HClC、碳酸氢盐D、内因子E、黏液

能促进维生素B12吸收的物质是()

  • A、胃蛋白酶
  • B、HCl
  • C、碳酸氢盐
  • D、内因子
  • E、黏液

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