50,DSG-03-2B6B-A220-N1-50,DSG-03-2B6B-A110-N1-50,DSG-03-2B5B-A110-N1-50,DSG-03-2B40B-D24-N1-50,DSG-03-2B40B-D12-N1-50,DSG-03-2B40B-A110-N1-50,DSG-03-2B4B-D12-N1-50,电磁换向阀DSG-03-2B4B-A220-N1-50,电磁换向阀DSG-03-2B4B-A110-N1-50,电磁换向阀DSG-03-2B2B-D24-N1-50,电磁换向阀DSG-03-2B2B-D12-N1-50,电磁换向阀DSG-03-2B2B-A220-N1-50