The technological principle and the equipment structure of the twisting machinery were dealt with.

论述了加工原理以及设备的一般结构.

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Also described here is the crucial technological principle for enhancing yield of the high - temperature alloy shells .

指出高温合金无缝管材的研制和生产的关键在于穿孔,综述了提高 高温合金 毛管合格率的主要工艺原则.

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The technological principle , features and merits of vacuum pressurized casting were expounded in detail.

详细论述了真空增压铸造的技术原理 、 工艺特性及技术优点.

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The technological principle and process producing monobasic potassium phosphate using chloride and phosphoric acid are introduced.

介绍以氯化钾和磷酸为原料生产磷酸二氢钾的工艺原理及工艺过程.

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