他说话明显结巴。He spoke with a pronounced stutter.他脸色发白，说话开始结巴。He turned white and began to stammer.他老结巴，这叫她难以忍受。He tended to stutter, which tried her patience....
The structure and machining process of plane diffluent compound die are introduced.介绍了平面分流组合模的结构和加工工艺.Special industrial ceramic 、 magnet material and machining parts , such as Zirconia, Alumina, NdFeB and AlNiCo product...