The author and his colleagues have developed a new style head plate equipment-powerful spinning lathe through long-period research, by which perfect quality head plates can be produced.
通过长期的研究，研制出一种新型的封头设备—强力旋压机床，用此设备可加工出质量完美的封头。
The author and his colleagues have developed a new style head plate equipment-powerful spinning lathe through long-period research, by which perfect quality head plates can be produced.
通过长期的研究，研制出一种新型的封头设备—强力旋压机床，用此设备可加工出质量完美的封头。
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