同心管
基于1个网页-相关网页
inclined concentric circular tubes 倾斜同心套管
·2,447,543篇论文数据，部分数据来源于NoteExpress
The dryer shaft is welded with several sets of multi-layer non-concentric seamless tubes, each of which is comprised of multiple seamless tubes having different sizes bent in Archimede's spiral.
干燥机轴焊有多套，多层不同心无缝管，每套有多根大小不同弯成阿基米德螺旋线形无缝管组成。
youdao
应用推荐
模块上移
模块下移
不移动