Device for heating a press tool, press having such device, and method of manufacture.
加热压床夹具的设备，具有这种设备的压床，以及制造方法。
We manufacture the tool joint, make the seal test and make-and-break test.
根据零件图试制双台肩钻具接头，对其进行上卸扣试验和水压密封测试。
We manufacture the tool joint, make the seal test and make-and-break test.
根据零件图试制双台肩钻具接头，对其进行上卸扣试验和水压密封测试。
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