建立在一个特制的钢的基础，是一种便携式装置，稍后将搬迁到一个相邻站点。
Built on a specially engineered steel foundation, it is a portable apparatus and will be relocated to an adjacent site later.
使用一个特制的钢托架来安装预制的锚固横梁的钢筋骨架，使其就位于上部结构内预定的位置上。
A special steel spreader beam was used to erect the fabricated cage in its proper position in the roadway structure.
在第一部分，学生要用为此特制的实验仪器对一根普通预应力钢杆做拉力实验。
In the first part of the experiment, students will subject an ordinary steel reinforcing rod to a tension test using a testing machine designed specifically for that purpose.
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