作者: Verena Schmid , Karl F. Doerner , Richard F. Hartl , Juan-José Salazar-González
DOI: 10.1016/J.COR.2008.07.010
关键词:
摘要: … Some vehicles may be used for the delivery of concrete only. Other vehicles, with specialized unloading equipment (pumps, conveyor belt), may have to be present at a construction site …