shell coated sand的意思|示意

With its factory in Foundry: low pressure casting, metal-type gravity casting, shell coated sand casting and sand casting;

本厂在铸造方面具备：低压铸造、金属型重力铸造、覆膜砂壳型铸造和砂型铸造；

Secondly, another problem that will be solved in this paper is how to improve the intensity of resin coated sand used for shell process.

其次，本文要解决的第二个问题就是如何提高壳法用覆膜砂的抗拉强度。

A sort of chilled nodular iron camshaft was developed by adopting resin-coated sand shell mould casting process.

开发了一种采用树脂砂壳型铸造的激冷球铁凸轮轴。