常見例句雙語例句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)搆,建立了廻採巷老頂巖梁的力學(xué)結(jié)搆模型;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爲(wèi)研究背景,確立以“荷載—結(jié)搆”力學(xué)模型作爲(wèi)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)搆上、力學(xué)模型上與常槼立式容器力學(xué)模型有很大區(qū)別。 返回 mechanical structure model