1) Cylinder and end socket
筒体与封头
2) the joint area of head and shell
封头与筒体连接区域
3) joint between ellipse head and cylinder
椭圆封头与筒体连接处
4) shell sections and heads
筒节和封头
5) Heat exchanger head
封头体
6) double-ended spherical-top tube
双封闭球头筒
1.
Process and die design of double-ended spherical-top tube narrowing-mouth;
双封闭球头筒缩口工艺与模具设计
补充资料：封筒
1.犹束装。 2.封套。
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