嘲弄 发表于 2025-3-28 16:37:31
https://doi.org/10.1007/978-3-662-69102-1heathing for our application other than roof felt stapled onto the purlins and rafters (since it does not need to be insulated), the application of metal roofing directly over the roof frame saves weight, while outlasting shingles and almost all other normal roofing. The diagrams earlier in this booabreast 发表于 2025-3-28 22:22:59
http://reply.papertrans.cn/20/1919/191835/191835_42.pngCompassionate 发表于 2025-3-29 02:28:11
http://reply.papertrans.cn/20/1919/191835/191835_43.pngBUOY 发表于 2025-3-29 04:39:59
http://reply.papertrans.cn/20/1919/191835/191835_44.pngnocturia 发表于 2025-3-29 10:50:02
http://reply.papertrans.cn/20/1919/191835/191835_45.pngEXTOL 发表于 2025-3-29 12:54:39
http://reply.papertrans.cn/20/1919/191835/191835_46.pngGRACE 发表于 2025-3-29 16:10:44
Ulrich Höhle,Stephen Ernest RodabaughReferring to the following plans, you will notice that the thickness of the concrete slab increases under the walls around the perimeter of the observatory, and under each of the posts supporting the gantry section (Figs. 5.1 and 5.2).Chronic 发表于 2025-3-29 20:34:35
Studies in Fuzziness and Soft ComputingWhether you chose to install a full cement footing as an extension to the observatory floor, or you used sono tube piers, or a combination of the two, at this stage you will find it necessary to locate the gantry post supports precisely in their saddles.共和国 发表于 2025-3-30 00:40:30
http://reply.papertrans.cn/20/1919/191835/191835_49.pngDefiance 发表于 2025-3-30 07:48:57
Peter A. Ruymgaart,Tsu T. SoongThe three main observatory designs presently in demand by amateur astronomers are: