The project of an industrial center for teaching located on a special site, provides us a hard nut to crack but also a chance to challenge a new height.
一座选址于特殊地形的教育工业中心，给建筑师出了一道难题，同时也提供了挑战新高度的机会。
2
Besides, we also produce various kinds of sleeve moulds, nut moulds, special moulds, fastener moulds and carbonized tungsten moulds.
专业制造各式套筒模具、螺帽模具、特殊模具、紧固件模具和碳化钨模具。
3
Pull out before you want to open on the back of the circular disk lock plate with hooks, nut spanner remove round nut, reoccupy special pull the son will disc pull out.