access panel
观察板
观测台
检修门
盖板
罩板
检视面板
观察检查盘
通路板
快拆门
aft lavatory servicing access panel
compressor access panel
front center access panel
panel-panel interference
frame antenna (=frame-aerial)
frame-to-frame coherence
Frame-to-frame Difference
frame-to-frame difference method
frame-to-frame disparity
FR-FR Frame Relay – to – Frame Relay
mega-frame-sub-truss-frame construction