正直度 meaning in Chinese

straightness

Dimensional measuring . part 2 : staightness deviation
尺寸测量.第2部份：正直度偏差
Resilient floor coverings - determination of the side length , squareness and straightness of tiles
弹性地板覆盖物.弹性砖边长度和垂直度和正直度的测定
Resilient floor coverings - determination of width , length , straightness and flatness of sheet material
弹性地板覆盖物.薄片材的宽度长度正直度和平面度的测定