gas diffusion ring气体: gas; gaseous fluid扩散: spread; diffuse; proliferate ...环: ring; hoop气体扩散: diffusion of gases; gas diffusion; gaseous diffusion气体扩散槽: gaseous diffusion cell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:气体扩散环，即可在微信中查询翻译
