Ballesn.巴利斯balln.球；球状物；炮弹；舞会；愉快的经历；<口>胆量；胡说；（复）睾丸v.使成球状；呈球状；<俚>性交ball-cock device浮球旋塞装置ball-beam system球杆系统ball-pane hammer球头锤ball distance ring滚珠轴承座圈ball bearing steel滚珠轴承钢Ballonet polishing气囊式抛光法ball bearing noise滚珠轴承噪声ballistoeardiogram心冲击描记图ball-millingtime球磨时间ball return spring阀球返回弹簧