The text introduce the characteristic, principium, configuration, type, use and application of type drum microfilter. 文中介绍了新型瓦楞面微孔过滤机的特点 、 工作原理 、 结构 、 选型 、 使用场合和应用实例.
His grandfather's stern eyes were scrutinizing him , and Chueh - hui felt his face reddening.祖父的严厉的眼光射在他的脸上.They are very stern in their discipline.他们的训练极为严格。The judge was a stern,unapproachable man.那位法官是个严肃、难以接近的人。...
Miro is the most inventive and entertaining of surrealist painters.米罗是最具创造力和娱乐性的超现实主义画家。This is actually a very entertaining book putting over serious health messages.这实际上是一本非常有趣的书，讲述了大量的健康知识。This is an entertaining yet ...