叶片距 blade pitch
胶片距离 Object-film distance ; object image-receptor distance ; Source-film distance
射线源-胶片距离 Source-film distance ; film distance
被检体-胶片距离 Object-film distance ; film distance
工件至胶片距离 object-to-film distance
肋片距 pitch of fins
物体到胶片距离 object-to-film distance
整流片距 commutator pitch
镜片距离的意思 distance between lenses
指出在空气源热泵中应用变片距换热器及其必要性。
Presented the necessity of applying variable fin spacing heat exchanger in air source heat pump.
介绍用8031单片机自动控制装配内燃机散热器的叶片片距，且片距可任意调整。
Autocontrol sheet distance is recommended at assembling of the heat sink of internal combustion engine by the 8031 single chip microcomputer, and the sheet distance is can discretionary adjusted.
结论：考虑病人的吸收剂量和避免影像失真，摄影焦-片距的选择应与滤线栅的焦距相匹配。
Conclusion: Considering the absorbed dose of the patients and avoiding the image distortion, it is suggested that the selection of focus-film distance should be matched with the tube and grid.
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