ultrafilters造句

例句与造句

1. these ultrafilters are called principal .
   这样的超滤子称为主要的。
2. the detailed opinion of the enterprise pragochema, s . r . o . has pertinent information on metals and on manufacture . moreover, ultrafilters and surface and / or treatment are offered
   是一家高效的工业型企业，企业生产金属,轮胎成型、服装批量生产,超渗滤器范围内高水平的产品。
3. It's difficult to find ultrafilters in a sentence. 用ultrafilters造句挺难的