- base ring
- 底座: lampstand; foundation; pedes ...
- 圈: circle; ring
- 基区环 基座圈 底环 底座圈: basering
- 座圈: detachable endless taper bead seat ring; housing washer; pedestal ring; raceway; stay ring
- 底座: lampstand; foundation; pedestal; bed; keel block; stock; base; [钟] potence; [建筑] sole piece; bottom case; carriage; footing; frame; plinth◇底座板 bedplate; 底座对径 base diameter; 底座基础 footing foundation; 底座螺钉 base screw; 底座面 seating plane; 底座配合面 seat; 底座圈 base ring; 底座引线 stem lead; 底座轴 datum axle; 底座制造工 footmaker
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