ash diffusion control灰分: ash content扩散: spread; diffuse; proliferate ...控制: control; dominate; regulate; ...扩散控制: diffusion control扩散控制沉: diffusion-controlled precipitation下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:灰分扩散控制，即可在微信中查询翻译
