stiffness ratio劲度: acoustic stiffness; stiffnes ...比: 2相对劲度比: relative stiffness ratio有效劲度比: effective stiffness ratio转动劲度比: rotational stiffness ratio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:劲度比，即可在微信中查询翻译
