KB系列伺服行星减速机PHE115-L1 22-110-145-M8 LR60 PHE115-L2 22-110-145-M8 LR60 CZ32 PHE115-L2 22-110-145-M8 LR60 PHE115-L2 22-110-145-M8-8B LR60 CZ32