同时也研究了夹杂物尺寸和熔炼温度对含氢量的影响。
The influence of melting temperature and inclusion on hydrogen content is made.
考察了还原剂(焦粉)、熔剂、熔炼温度、熔炼时间对熔炼效果的影响。
Reducing agent (coke), flux, smelting temperature, smelting time on the smelting result were studied.
调整不同牌号铝合金中锰、铜元素的含量，用来代替中间合金，可降低熔炼温度。
It is used to adjust content of manganese and copper element in different brand aluminium alloys as substitute of intermediate alloy, which can reduce melting temperature.
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