- 01.Keepitsafeshell,solidandcombinationstructures
- 0:0 免费01.Toinvestigatestructures
- 0:0 免费02.Toconstructnetstocreate3Dsha ...
- 0:0 免费03.Toevaluateexistingstructures
- 0:0 免费04.Todevelopadesignbriefandtosk ...
- 0:0 免费05.Toexplorecontextsandpurposes ...
- 0:0 免费06.Todesign,makeandevaluatestru ...
- 0:0 免费07.Toexperimentwithmakingtechni ...
- 0:0 免费08.Tomeasure,markout,cutandshap ...
- 0:0 免费09.Toassemble,joinandcombinemat ...
- 0:0 免费10.Toevaluatethefinalproduct
- 02.Electronicssimplecircuitsandswitches
- 0:0 免费01.Tolearnaboutelectricalsystem ...
- 0:0 免费02.Tolearnhowelectricalproducts ...
- 0:0 免费03.Todevelopadesigncriteria
- 0:0 免费04.Todesignanelectricalcircuitd ...
- 0:0 免费05.Toknowhowtoconstructsimplese ...
- 0:0 免费06.Togenerateideasforelectrical ...
- 0:0 免费07.Todesign,makeandtestcomponen ...
- 0:0 免费08.Touselearningfromsciencetohe ...
- 0:0
免费09.Toselectcomponentstoassemble ... - 0:0 免费10.Toevaluatehowwellproductsmee ...