丝锥 、 铰刀 、 钻头 、 锯片 、 铣切刀具 、 磨光工具以及其它等等, 所有这些方面的片镀都是很成功的.Taps, reamers, drills, saws, milling cutters, burnishing tools, and so on, have all been successfully plated.利用内镀方法制造金刚石铰刀是一种精密铰刀制造方法.Inside holding electroplating p...
The bird species of greatest concern, such as the Great Hornbill, are found in or near forests.在森林附近或者森林里面发现了备受关注的鸟类，如大犀鸟。The eye of a southern ground - hornbill. The bird has remarkably long, wiry eyelashes.红脸地犀鸟之眼. 这种鸟...
Solid rock and rushing water reflect the permanence and impermanence of life itself.坚固的岩石和奔腾的流水反映出生命本身的永恒和短暂.They gradually realized the permanence of their condition.他们渐渐意识到他们的这种状况将永久地持续下去。The competi - tion , generalis...