road-surface mortality curve路面: road surface; pavement损坏率: spoilage曲线: curve; curved line破坏率曲线: rate-of-failure curve路面损坏: pavement distress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:路面损坏率曲线，即可在微信中查询翻译
