... 针轮中心圆直径 centre diameter of gear pins 针模 needle die 针塞 needle valve ...
基于12个网页-相关网页
needle die polishing machine 模孔针磨机
needle die grinding machine 模孔针磨机
die sinkers' needle file 异形锉刀
die e sinkers' needle file 异形锉刀
·2,447,543篇论文数据，部分数据来源于NoteExpress
The present paper has described the die made by chromium car - bide for forming mass spectrometer needle and double curved surface glass tube in surface analyzing instrument.
介绍了采用碳化铬硬质合金制作质谱计和表面分析仪器中的双曲面玻璃管的成形模具。
youdao
应用推荐
模块上移
模块下移
不移动