تعداد ۱ پاسخ غیر تکراری از ۱ پاسخ تکراری در مدت زمان ۰,۶۳ ثانیه یافت شد.

1. Design speed, operating speed, and posted speed practices /

Author: Kay Fitzpatrick ... [et al.]

Library: Center and Library of Islamic Studies in European Languages (Qom)

Subject: Roads-- United States-- Design and construction,Speed limits-- United States,Traffic engineering-- United States

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