|Chemistry 40G Resources Collection||Oil and Gas Engineering 21.7G Resource Collection||More than a thousand sets of mechanical graduation design 12.5G collection||More than 5,000 9G resources in welding|
|Building Structure Engineering 18.3G Resource Set||Collection of more than a thousand sets of graduation designs for civil engineering||Garden Engineering 59.5G Data Collection||Water Resources, Hydropower, Hydraulic Design 15.8G Resource Set|
|Chemical basic technology, machinery and equipment||More than 2700 10G data sets for pressure vessels||More than 6,400 11.2G data sets of pipeline engineering||12G data set for power engineering equipment|
Ordinary members have telecommunication bandwidth and can download two files per day.
After upgrading the membership group, you can use multi-line bandwidth, unlimited downloads to save time and cost!