均衡圈 balance ring ; balancing ring

衡圈、计力圈 Proving ring

平衡线圈 [电] balance coil ; [电] balancing coil ; ballast coil ; Ausgleichsspule

生物圈平衡 biospheric balance

岩石圈均衡 lithospheric isostasy

均衡线圈 balancing coil

平衡活塞密封圈 equalizing piston packing ring

平衡垫圈 equalizing washer

阳极平衡线圈 [电子] anode balancing coil