ahead pitch是什么意思

网络释义

用法例句

This paper introduces the research of propeller\'s pitch correction by parameterized method based on AutoCAD VBA,it mainly includes the way of correction on the difference of hub diameter ratio and blade thickness ratio,menu,toolbar,automatic loading of macros as well.

本文介绍了基于AutoCAD VBA船舶螺旋桨参数化螺距修正方法,主要包括针对毂径比和叶厚比进行修正、程序菜单和工具栏的设计,以及程序代码的自动加载等,列举了用VBA编写的相关程序。

This thesis puts forward the design reason and work principle about the screw - pitch revising device of the threadlike pole bar on the high - pricision threadlike pole lathe; it also introduces the design about the compensafive calculation; the work curve the design and usage of screw- pitch revising device.

本文从高精度丝杠车床的传动丝杠螺距校正装置的设计原因、工作原理、补偿计算和工作曲线的设计等方面,介绍了螺距校正装置的设计与应用。