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.
本文运用唯象的方法对高温高压的宏观条件下固体的非谐性质以及熔化规律作出了较为系统的研究。
This paper makes a systematic study of anharmonic properties and melting law for solids at high temperatures-high pressures by using phenomenological method.
针对非熔化盘式电极原理与结构特点，借鉴传统体积热源模型，推导了相应的热流分布模式。
According to the principle and structure of the disk-type electrode, a new corresponding heat source model was derived using the traditional volume heat source model for reference.
因此，本文基于新研制的非熔化盘式电极自动清根技术，对焊缝清根规律进行了研究。
Therefore, the law of welding seam back chipping was studied based on the newly developed automatic back chipping machine with a disk-type non-consumable electrode.
因此，本文基于新研制的非熔化盘式电极自动清根技术，对焊缝清根规律进行了研究。
Therefore, the law of welding seam back chipping was studied based on the newly developed automatic back chipping machine with a disk-type non-consumable electrode.
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