海量資源,盡在掌握
 【例】 某柱間支撐如圖42所示,求其制作工程量。圖42 柱間支撐【解】?、?[14b:[14b的理論重量為16.73kg/m16.73×2×12kg=401.5kg=0.4015t②2[14b:16.73×2×6.9×2kg=461.75kg=0.4617t③-320×10:0.32×0.01×0.59×7.85t=0.0148t④-180×10:0.18×0.01×0.25×7.85×2t=0.0071t⑤ (共 398 字) [閱讀本文] >>