The two diagonals of a square cross in the centre.

正方形两条对角线交于正方形的中心。

Footsteps had scored a diagonal path through the snow.

脚印在雪地上留下了一条对角线。

As the crane is static the mast sections are directly fishplate onto the 4 fixing angles corresponding to the mast type used.

由于该起重机是固定式的，其塔节与四固定角钢呈鱼尾形连接（译注：即对角线连接），而角钢的形式又与塔身类型相对应。