vertical sensitivity of tone arm音: sound臂: arm纵向: direction; machine direction ...灵敏度: sensitivity; response rate; ...测向灵敏度: df sensitivity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:音臂纵向灵敏度，即可在微信中查询翻译
