The load of molten zinc tank is about 1t. The molten tank is sealed and heat loss is small, and has no zinc ash and residue, so the process is friendly environment and civilization production.
熔锌槽的容量约1 t，熔槽处于密封状态，热损失很少，无锌灰和锌渣，是环境友好型的文明生产。
The steel and the heat treatment process of fine heavy load drift was determined by means of production tests. And the satisfactory result was obtained.
经应用试验，确定了精密重载冲孔模的用材及热处理工艺，获得满意的效果。
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