invert arch造句

• Research on elastic slab vibration of inverted arch plunge pool under high water head and large discharge
  高水头大流量作用下反拱水垫塘弹性单底板块振动规律研究
• Based on the engineering requirement , much application technological research has done on the compression of frame beams , concrete stress , anchoring loss , hole friction loss and the measuring of the inverted arch . and some useful suggestion has been tendered to improve the calculating and design method and optimize the construction
  结合工程需要，对框架梁的压缩、混凝土应力、锚固损失、孔道摩擦损失和反拱等的测试进行了实用技术研究，为改进计算设计方法和优化施工提出了有关建议。