检索结果 - HYDRA*

Muddy waters : the Army Engineers and the Nation's rivers 由 Maass, Arthur

主题:

Water in the service of man 由 Vallentine, H. R.

主题:

Manual of engineering drawing : British and International Standards / 由 Simmons, C. H. (Colin H.), Maguire, D. E. (Dennis E.), Phelps, Neil (Engineer)

书本目录: “...The text also presents numerous examples of hydraulic and electrical diagrams, applications, bearings, adhesives, and welding. ...”