3.Attenuation of traffic noise and Pb pollution by greenbelts along济青高速公路绿化带对交通噪声和铅污染的防护作用 4.This part of the highway be separate by a parkway这段高速公路中间有绿化带 5.This part of the highway is separate by a parkway.这段高速公路中间有绿化带。 6.Expressway guardra...
Guardrail for Highway ...471 Simulation Study on Deformation Failure of Liquid Tank Truck Based on Rear-End Collision ...472 Research on Rapid Post-Disaster Assessment
摘要: THE STATUS OF ALL NCHRP PROJECTS THROUGH 1970 IS REPORTED, ALONG WITH A SUMMARY STATEMENT INCLUDING NAMES OF RESEARCH AGENCIES, CONTRACT AMOUNTS, AND DATES. THE ORGANIZATION AND OPERATIONS OF THE NCHRP IN ITS 22 PROJECT AREAS IS DESCRIBED.关键词:...