60B(F)S� 合AP1682 Type A(1CW-FX)�?0B/60B(F)S � 合API682Type A(2CW-CW)�?0BD(F)S � 合API682 Type A(3CW-BB)、�/p>

60AD(F)S 适用� API682 密封腔，但结构不符合 API682 标准、�/p>