E:Asyouknowwithoutformworktheconcretewillnotbecastintoitsrequiredshape.Firstofallweareinterestedinthedesignofformworks.IthinkthemostdifficultandinterestingpartoftheformworkforthisprojectistheoutletformworkintheCircularWaterPumpingHouse.C:Yes.Itisreallycha (共 12505 字) [閱讀本文] >>