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中文詞彙
English
象限靜電計
quadrant electrometer
象限仰角
quadrant elevation
扇形齒輪
quadrant gear
操舵弧格子板
quadrant grating
扇形齒板護罩
quadrant guard
扇形齒板鎖緊螺絲
quadrant locking bolt
象限儀座
quadrant mount
象限基點
quadrant point
象限瞄準具
quadrant sight
象限開關
quadrant switch