衬套OFN1012
衬套20OFN10
衬套石墨润滑轴承
石墨OFN02MPFZUMUFZU
替代衬套2530
衬套薄壁10OFN
衬套1012OFN
衬套OFN021012
衬套油封石墨OFN
衬套152025