drawing die是什么意思? The drawing die must be stamped by the employer. Any time a drawing die is changed during assembly, supplier shall measure the O.D. of the first tube after drawing die changing and shall compare it with the O.D. of the last tubes before drawing die changing. 这是管道安装 测试 中的一句,没现场接触过,真想不出是什么东西 只好请教各位了! 多贴了几句出来,我百度出来也是“拉模”的意思,不过放在这里感觉不怎么合适啊,还请有经验的人给指点指点! [ ]查看更多8个回答 . 3人已关注