KH-2003 /UT20(2+2P)
KH-2004/ET20 四槽齿轮
PD-001_BASE_6+6P
PD-002 CASE
PD-003/BASE 19*21(2+2P)
PD-004/BASE 10*10(3+3P)
PD-006 CASE2+2P
PD-007/BASE (2P)
PD-009/BASE 12.5 (4P)
PD-010 CASE
