He presented Albert with a rat, and every time the baby reached out to touch it, Watson hit a steel bar with a hammer to produce a horrendous clang.

他给艾伯特一只小鼠，每当小艾试图触摸它时，沃森都会用锤子敲击一根铁棒以发出一种可怕的声响。

Then he fastened a small metallic ball on each end of the steel bar.

然后，在细钢棍的两端，各固定一个小的金属球。

Two working speed can satisfy the requirement of different steel bar.

可使用两种速度工作，满足不同的钢筋弯曲需求；

This grip also comes with stainless steel bar that removes onion smell.

这款握柄同样用不锈钢棒材制成，可去除洋葱的气味。

It is made up of anchorage steel plate, screw nut and anchorage steel bar.

所研究的锚固系统是由高强螺母、钢锚板和锚固钢筋组成。