A novel drill tool threaded connection stress relief groove is proposed in the paper.
减少连接螺纹弯曲应力可以延长钻具连接螺纹的疲劳寿命。
EJBs are single-threaded, and each thread in the pool can have its own connection.
EJB是单线程的，线程池中的每个线程都有自己的连接。
Threaded style connectors make cable connection between control and recloser extremely easy.
电缆式连接控制线使控制器和重合器之间的连接非常方便。
Threaded style connectors make cable connection between control and recloser extremely easy.
电缆式连接控制线使控制器和重合器之间的连接非常方便。
应用推荐