8. See Actuators &Accessories section for: Bevel gear, spur gear, chain wheel, motor or cylinder actuators; Bypasses, drains or auxiliary piping; Special packing, etc.

• 参阅执行机构和附件章节，了解：伞齿轮，正齿轮，链轮，马达或缸体执行机构；旁路，排泄，或辅助管路；特殊填料，等等。收藏指正