plasticity retention index塑性: ductility; plasticity; briqu ...保持: keep; hold; retain; maintain ...指数: index number; index塑性保持率: plasticity retention percentage保持指令: hold instruction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:塑性保持指数,即可在微信中查询翻译