一種具有滾子滾動元件的減摩軸承,用於抵抗軸向推力或支撐軸向負載。
relief valve 1 x 2 ips end item identification, material controlled iaw ss800-ag-man-010/p-9290 system certification produres and criteria manual for deep submergence systems; critical item for safety and survival of deep submergence research and rescue vehicles as differentiated by special test features reference number differentiating characteristics, zzzy criticality code justification