The core of the EGR cooler can be made by vacuum brazing.
EGR冷却器的芯子可以通过真空钎焊获得。
Cathode is one of the core components of vacuum microelectronic devices.
阴极是真空微电子器件的核心部件之一。
A open cell polyurethane rigid foam for vacuum panel core material was prepared. The open cell percent of the core material is about 95%.
制备了用于聚氨酯真空隔热板的开孔硬泡芯材，该泡沫芯材的开孔率达95%。
As the core content of vacuum microelectronics, the performance of field emitter array (FEA) directly influences the whole performance of field emission device.
场发射阵列阴极(FEA)作为真空微电子学的核心内容，其性能的好坏直接影响着场发射器件的总体性能。
Vacuum pump is a vacuum distillation of the core of the compounds according to the boiling point to be distilled and compound use, choose the appropriate pump.
真空泵是减压蒸馏的核心部分，根据待蒸馏化合物的沸点和化合物的用途，选用适当的真空泵。
Vacuum pump is a vacuum distillation of the core of the compounds according to the boiling point to be distilled and compound use, choose the appropriate pump.
真空泵是减压蒸馏的核心部分，根据待蒸馏化合物的沸点和化合物的用途，选用适当的真空泵。
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