?节距张度
... pitch speed ==> 节距速度 pitch spread ==> 节距张度 pitch stick ==> 螺距调整杆 ...
?节距
... pitch-shortening factor 短距系数(线圈的) pitch spread 节距，间距 pitch to diameter ratio 距径比(栅距一棒径比) ...
?间距
... pitch radius 节圆半径 pitch spread 节距，间距 pitch surfaces 节曲面 ...
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。