Diffusers扩张管diffusevt.扩散；散开；传播vi.弥漫；扩散adj.冗长的；四散的diffused aeration system鼓风曝气系统diffused lymphoid tissue弥散淋巴组织diffuse scattering field漫射场diffuse panbronchiolitis弥漫性全细支气管炎diffuse refletion factor弥散反射系数, 漫反射系数diffuse cerebrosclerosis弥漫性脑硬化diffuser priming of pump扩散器启动泵diffused mesa transistor扩散台面晶体管diffuse large B cell NHL弥漫性大B细胞非霍奇金淋巴瘤diffused type transistor扩散型晶体管

1. Traditional systems have used oil diffusion pumps.
   常规的系统使用油扩散泵。