balance rim摆轮轮缘balancen.平衡；天平；平静；结余；差额；调和；制衡vt.权衡；使平衡；抵消；称重量vi.均衡；建立平衡balance point detector平衡点检测器balance transformation平衡变换balanced tray thickner平衡式多层增稠器balance of respiration呼吸运动的平衡balanced crystal mixer平衡晶体混频器balanced discriminator平衡鉴频器balanced-growth path平衡增长的途径balanced valve coupler平衡式电子管耦合电路balance of power level电平平衡balance-sheet effect资产负债表效应