steel framework短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 钢构架 It is difficult to design the structure of boiler steel framework with traditional mechanical method, while Finite Element Method is a powerful modern way to deal with complicated mechanics problems. 锅炉钢架结构设计难以通过经典固体力学方法完成，有限元法是处理复杂数理问题的新兴途径。 cnki