Ballan巴兰
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-bearing butt hinge滚珠轴承铰链
Ball Adjustment Inventory贝尔适应性调查表
ball type hot blast stove球式热风炉
ball warp beaming machine球经整经机
ball-bearing thrust cap滚珠轴承抵盖
ball making petal machine瓣式作球机,分段机