slipupn.失败(错误；疏忽；不幸事故)slipv.滑倒；滑脱；疏忽；溜走n.疏忽；滑倒；溜走；失误slip behaviour滑动行为, 潜移表现slipping limit空转限制slip blade pin滑动托板销slip on flange平焊法兰slipping class逃课slip of tongue口误slip-on head移动头slip-casting粉浆浇铸slip of a girl瘦削的女孩slipping drive滑动传动装置