基本解釋[物理學(xué)]氦滲透詞組短語短語helium permeation leak 滲氦型真空漏孔helium permeation through glass 玻璃滲氦helium permeation test 氦滲透試騐helium permeation更多詞組專業(yè)釋義物理學(xué)氦滲透