词汇	stock safety
释义	stock safety n.物料安全性
随便看	point plot point plot mode point plotter point plotting point-plotting display point-plotting technique point point angular correlation point-point angular correlation point-point comparison method point point linear segment point-point linear segment point point-load pile point pole point pollution resources point pollution source point polymorphism point position point position control point-position control point position data point positioning Point Positioning Database point positioning data base point-positioning data base point-position reduction method