金属铸工安装和操作各种铸造机，铸造铁和非铁金属产品；手工舀取熔化的金属，并倒入模具，生产铸件。
Metal casters set up and operate various casting machines to cast ferrous and non-ferrous metal products; hand ladle and pour molten metal into moulds to produce castings.
采用等效比热法来确定液相分数，假定固液相等同区来解决工件熔化区与非熔化区的移动边界。
Equivalent latent heat was adopted to determine liquid quantity and solid-liquid identity was adopted to solve moving interface between molten and solid region.
采用非熔化极惰性气体保护焊，并提高焊口绝缘等级，克服焊口的晶间腐蚀。
To deal with corrosion at weld joint, shielded inert gas are will be used and the insulation grade raised.
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