The combined type bottle-making machine core has the advantages of convenient use and low use cost, and the core head is unlikely to be fractured.
本实用新型具有使用方便、使用成本低、芯子头不易折断的优点。
Besides, an X ray combined machine head has low cost so that the cost of the whole device is greatly reduced.
此外，由于所采用的X射线组合机头自身成本低，也使得整个装置的成本大大降低。
A cooling apparatus for articles operated at low temperatures comprises a refrigerating machine and a cold head provided in the refrigerating machine.
本发明提供一种低温工作物品的冷却装置，具有冷冻机和设在该冷 冻机上的冷却头。
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