RBH可调整式双刃粗搪头RBH25-33-CRBH32-42-TRBH32-42-CRBH40-55-TRBH40-55-CRBH52-70-TRBH52-70-CRBH68-92-TRBH68-92-CRBH90-122-TRBH90-122-CRBH120-164-TRBH120-164-CRBH160-204-TRBH160-204-CRBH200-254-TRBH200-254-CRBH250-304-TRBH250-304-CRBH300-354-TRBH300-354-CRBH350-400-TRBH350-400-CRBH400-454-TRBH400-454-C)