nominal pitchnp公称: nominal; rated; indicated节距: pitch; step公称螺距公称节距: nominal pitch标称节距: nominal pitch公称: nominal; rated; indicated◇公称尺寸 intended size; nominal dimension; nominal size; specified size; 公称误差 nominal error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:公称节距，即可在微信中查询翻译
