Compound surfaces are more difficult and expensive to fabricate.复合的表面在制造上更困难,花费也更大.Small rectangular backup bars were used to fabricate the web - bottom flange connection.在腹板与下翼缘的施焊中使用小矩形挡板.Cables and towers are small an...
The sisal pulp and aramid fiber were chose to fabricate the wet paper - base friction materials.本文采用高性能芳纶纤维和剑麻纤维为原料制备湿式纸基摩擦材料.Porous adonic aluminum oxide templates are widely used to fabricate nanowires or nanotubes of ...