英语语法分析

Firstly, the testing principle with axial precompression stress is re-examined based on one-dimensional wave theory.

首先按照一维应力波传播理论，对动静组合加载的试验原理进行理论论证。

Cast-in-place box Liang uses the full house support to erect, piles carries the precompression overall cast-in-place.

现浇箱梁采用满堂支架架设，堆载预压整体现浇。

The relation between transformer windings under different axial precompression and the vibration of transformer walls is studied.

研究了变压器绕组预紧力与变压器箱壁振动之间的关系。