diametral pitch齿轮: cogwheel; gear wheel wheel-l ...节径: pitch diameter; nodal diamet ...节径中径齿轮节径: pitch diameter齿轮节点: pitch point齿轮节线: pitch curve下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:齿轮节径，即可在微信中查询翻译
