模具安装,模具的安装;
A number of tantalizing questions could then be addressed: how do stars live and die in that wild setting?
然后就可以着手研究一些迫切的问题了:在那样一个狂野的环境里,星球是怎么生存和死亡的?
Methods: The setting expansion ratio of refractory die material for slip casting core of sintered titanium powder at room temperature was performed, as well as thermal expansion ratio from room temperature to 800 ℃.
方法:采用自制的钛合金粉浆涂塑底层冠用耐火代型材料(基础型),分别测定常温下的凝固膨胀率和室温至800℃的热膨胀率。
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