Since building up by welding is a technique which is particularly used with "one off jobs" forming large components, conventional building up by welding as distinct from building up by welding in accordance with this invention, requires first of all the manufacture of at least one special shoe or mould for each job.
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Forging is an important hot-forming process. It is used in producing components of all shapes and sizes, from quite small items to large units weighing several tons.
锻造是一种重要的热成型工艺。它能用于生产各种形状和尺寸、从很小到重量数吨的零件。
In a special medium containing complex-induced components, Agrobacteria were capable of recognizing and attaching to the surface of wheat cells, thus forming large amount of cellulose fibrils.
在含复合诱导成份的特殊共培养条件下，农杆菌能识别和大量附着到小麦悬浮细胞表面，并形成大量的纤维丝。
The results show that it is feasible to apply the method of laminated pouring and accumulated liquid forging into forming components with large ratio of altitude and diameter.
研究结果表明：采用分层浇注-累积液锻成形大高径比制件的方法是完全可行的；
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