KB系列伺服行星减速机PGH142T-L3 22-110-145-M8 130WZ 孔PGH142T-L3 22-110-145-M8 130WZ PGH142T-L3 22-110-145-M8 130WZ PGH142T-L3 22-110-145-M8-8B PGH142T-L3 24-110-145-M8 130WZ