英语语法分析

It is easy to bring crack that pretensioned prestressed hollow slab beam is constructed in winter.

先张法预应力空心板梁在冬季施工过程中，易产生裂缝。

This paper analyses filament breakage and sliding wire of pretensioned concrete, so it can provides guidance of construction.

对张拉钢绞线施工中断丝、滑丝现象予以理论分析，并据此指导施工。

The optimum design for pretensioned structures considering both the pretension force variables and the size variables was discussed.

探讨了以预张力和截面尺寸为设计变量的预张力结构优化设计问题。