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slipping area滑动面积slip-vector滑动向量slip boundary滑移边界slip the calf流产slip and skid滑转率slip velocity滑流速度slip matching顺序拼木法slip function滑移函数slip coupling滑动联轴器slipway crane俯仰摇臂式起重机