“vacuum-pumping”的概念、定义、翻译、参考文献-科学参考

单词	vacuum-pumping
释义	vacuum-pumping 真空排气抽真空
随便看	unipolarity unipolar lead unipolar lead of electrocardiogram unipolar machine unipolar magnetic region unipolar neuron unipolar nonequilibrium conductivity unipolar pulse unipolar sunspot unipolar transistor unipolar transmission unipole unipole antenna Unipon unipotential unipotential cathode unipotential electrostatic lens unipotential focus system unipotential gun unipotential lens uniprocesser system uniprocessing uniprocessing system uniprocessor uniprocessor operating system

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