KB系列伺服行星减速机PGH115T-L3 22-110-145-M8 PGH115T-L3 22-110-145-M8-8B PGH115T-L3 22-110-145-M8分体LR42 PGH115T-L3 24-95-115-M6 PGH115T-L3 24-110-145-M8