Fig. 9 a The water-soluble salt
core and b the zinc alloy die
casting of one component in the
factory
Fig. 9 a The water-soluble salt
core and b the zinc alloy die
casting of one component in the
factory
Fig. 9 a The water-soluble salt
core and b the zinc alloy die
casting of one component in the
factory
Fig. 9 a The water-soluble salt
core and b the zinc alloy die
casting of one component in the
factory