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介绍了一种带有上密封功能的球阀,程序分配机构使该球阀在启闭过程中完成了要求的动作,实现了启闭密封副之间摩擦力较小的性能。
A ball valve with sealing function is introduced. The program distributing mechanism enables the ball valve to complete the required actions during the opening and closing process, and achieves the performance of less friction between the opening and closing sealing pairs.