砂粒填充管驱替试验 sand-packed tube displacement

混合填充管柱 mixed packing column

填充管 Packed pipe

充气管 gas filled tube ; [电子] gas tube

充气光电管 gas phototube ; gas filled photocell ; gas filled phototube

充填管 [矿业] stowing pipe ; [矿业] filling pipe

填充毛细管柱 [分化] packed capillary column

滴管填充 eyedropper fill

充气二极管 [电子] gas diode ; gas filled rectifier diode ; [电子] gas-filled diode