1) auto lock safety joint
自封安全管接头
2) auto isolator
自封装置
1.
During the operation of well repairing,well auto isolator is important in safe production and environment protection.
在油田修井作业中,井口自封装置在安全生产、环境保护等方面发挥了重要作用。
3) wellhead self-sealing
井口自封
4) seal line
自封线
1.
The previous seal line proposed by Xu is too conservative, in which the criterion of almost not allowing the vapor to leak through the downcomer was set.
以往徐崇嗣提出的自封线以降液管几乎不漏气作为自封点。
5) self-sealing
自封闭
1.
Action mechanism of self-sealing behavior of Zn-Al-Mg-RE coating in a multilayer coating;
Zn-Al-Mg-RE涂层自封闭特性在复合涂层中的作用机制
6) self-sealing pressure
自封压力
1.
The relationships of the self-sealing pressure of two types of direct acting gas regulators to its structural characteristics and inlet pressure are analyzed.
分析了两种直接作用式燃气调压器的自封压力与其结构特性和进口压力的关系,探讨了进口压力变化对两种调压器自封压力变化影响的差异。
7) Self-closed joint
自封接头
8) Hydraulic and self-sealing
液压自封
9) mechanism of self-seal
自封机理
10) Self-packaging
自封装
补充资料：自封
自己给自己加以某种称号：真正的英雄决不是靠自封获得的。
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