firm joint meaning in Chinese

两脚规

2 . firm jointing can endure worked in any environment safely . 3 . large front door surface make observation convenient
2 .结构焊接牢固，整体坚固的外壳可保证在任何环境下安全工作。
The airtight - combined hydro cylinder makes the rubber inosculate with soles firmly and the shape of the sides to reach an average pressure , firm joint and no space effect
本机采用密排式组合油缸设计，使橡胶块能很好地吻合鞋底，鞋边之曲线形状，产生压力均等、贴合好，不留间隙死角之理想效果。
Comparing with the traditional work by glue , this kind of equipments promote the speed of diamond setting , and make a little amount manpower devotion to carry out large quantity with firm jointing
这种设备使加工速度得到一定的提高，用少量人力投入就能实现大批量的生产，粘贴牢固可靠，并可以即时包装成为成品。