批量试制了合格的钢棉用钢丝，其实物质量达到美国钢丝水平。
The qualified steel wire for steel wool have been made a batch trial process, their material object quality can come up to Ameri…
X80钢螺旋缝和直缝埋弧焊管的批量试制结果全部符合“X80级管线钢管应用工程”钢管技术条件的要求；
The results of batch manufacture grade X80 spiral and longitudinal submerged arc welded pipe all meet the pipe technical conations required by"Grade X80 Pipeline Steel Pipe Application Project";
试生产阶段：进行小批量试生产，进一步验证产品的工艺性，以及样机试制后设计修正的有效性。
Trial production Stage: Trial production of small lot size shall be carried out to further verify product processibility and effectiveness of design amendment after prototype production.
应用推荐