1) lined head
封头内衬
2) joint of an inner tube
内衬管对焊接头
1.
The strength of tube joint is raised and the deformation ability of freezing tube is improved by the joint of an inner tube, which solves a problem for the coordinate deformation between freezing tube (regard as structure object and sealed chamber) and freezing wall.
通过冻结管整体抗弯试验 ,表明冻结管破裂失效的主要原因是接头的损坏 ;而内衬管对焊接头形式提高了接头强度和冻结管的变形能力 ,较好地解决了作为结构物和密封容器的冻结管与冻结壁的协调变形问题。
3) doublure
[英][du:'bluə] [美][du'blʊr]
书封内的皮(布)裱衬
4) head inner wall surfacing
封头内壁堆焊
5) interlining;interfacing;inside lining
衬头
6) water supply right angle pipe joint with plastic lining internal thread
内螺纹衬塑直角管接头
补充资料：封内
1.天子或诸侯的领地之内。 2.泛指国内或辖境之内。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条