我有一把尺子的英文怎么拼

　　Take out a ruler draw a line.

　　拿出直尺，画条线；

　　Proportional servo valve, grid ruler and CNC machine tool

　　伺服比例阀、光栅直尺与数控机床

　　At breast height, measure the trunk diameter by a ruler.

　　在胸部高度的位置，用一把直尺量度干径。

　　I have got a ruler. Will that do?

　　我有一把直尺。能行吗？

　　He holds a ruler and clatters about with little dancing steps.

　　他拿着一根直尺，走着小舞步发出咔哒咔哒的声音。

　　Use the ruler and the feeler to inspect whether the joint surface of the cylinder head is deformed.

　　利用直尺和塞尺检查气缸头的结合面是否有变形。

　　Both the clamping edges are provided with scales and are perpendicular tothe ruler.

　　两个卡边上都有刻度并垂直于直尺。