Aim \ Some questions about the mechanical firing of the firing mechanism in large caliber rotating barrels machinegun are discussed.
目的探讨步兵用大口径转管机枪击发机构使用机械击发方式的有关问题。
When spodumene was added in the products, the cause for reducing firing temperature, enhancing mechanical strength and heat-shock resistance, possessing good chemical stability was clarified.
阐明在制品中添加锂辉石，能降低烧成温度，提高机械强度，抗热振性以及具有良好的化学稳定性的原因。
The firing process for fly ash sintered brick with high additives has been systematically studied through tests of XRD, TG-DTA, SEM and physical mechanical properties for material.
通过XRD、TG -DTA、SEM及材料的物理力学性能等试验，较系统地研究了高掺量粉煤灰烧结砖煅烧过程。
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