扩散的扩散剂扩散杂质diffusant source: 扩散源fast diffusant: 快扩散杂质diffusance: 扩散度diffusate: 分散的; 扩散产物; 扩散体; 扩散物质; 扩散质; 弥散物; 渗出物diffusa dispersion pattern: 弥散分散模式下载手机词典可随时随地查词查翻译