常見(jiàn)例句雙語(yǔ)例句According to the structure of overlying strata, the mechanical structure model of main roof in gateways was established.根據(jù)上覆巖層結(jié)構(gòu),建立了回采巷老頂巖梁的力學(xué)結(jié)構(gòu)模型;In the second chapter, we use the heat supply tunnel design of Beijing as the research background. We choose the "load-structure" mechanical model as the calculation model.第二章以北京熱力隧道為研究背景,確立以“荷載—結(jié)構(gòu)”力學(xué)模型作為北京熱力隧道襯砌計(jì)算模型。There is quite a difference between this kind of vertical vessel and conventional vertical vessel with respect of structure and mechanical model.它在結(jié)構(gòu)上、力學(xué)模型上與常規(guī)立式容器力學(xué)模型有很大區(qū)別。 返回 mechanical structure model