2025-11-25 05:04 浏览次数 13
锥形接头
A threaded neck ring is secured to the tapered end of the cylinder to allow a protective cylinder cap to be installed.
车有螺纹的颈环固定在钢瓶的锥形端,可以安装保护性瓶帽。
A threaded neck ring is attached to the tapered end so that a protective cylinder cap can be installed.
锥状顶端装有带螺纹的颈环,可以安装保护性的钢瓶帽。