... diffusion vacuum pump 扩散真空泵 electroimmunodiffusion 电泳免疫扩散（法） rotational diffusion coefficient 旋转扩散系数 ...
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mercury diffusion vacuum pump 释义水银扩散真空泵
vapour diffusion vacuum pump 扩散泵
oil vapour diffusion vacuum pump 油扩散泵
vacuum diffusion pump 扩散真空泵 ; [真空] 真空扩散泵
high-vacuum diffusion pump 高真空扩散泵
high-vacuum oil diffusion pump 高真空油扩散真空泵
diffusion n vacuum pump 扩散真空泵
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