balance a平衡预算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balanced handle球形手柄balanced forces平衡的军事力量balanced graphs交错图balance keeping平衡保持balance machine平衡机balanced lethal平衡致死balance control平衡控制balanced feeder平衡馈线balance chamber平衡室balanced wicket活叶闸门