These structures were usually skewed with the diaphragms placed perpendicular to the longitudinal girders.是什么意思？

These structures were usually skewed with the diaphragms placed perpendicular to the longitudinal girders.

这些结构通常是斜交的,而横隔板则垂直于纵梁布置.

these

adj. 这些的；pron. 这些；

例句
There's lots of money about these days for schemes like this.
近来这类计划资金充足。

structures

n. 结构( structure的名词复数 )，[生物学]构造，机构，构造物；v. 组织( structure的第三人称单数 )，安排，制定；

例句
Religions, to survive, must make accommodations with the larger political structures that nurture them.
为了生存，宗教必须同其赖以存在的更大的政治体系相调和。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

usually

adv. 通常，经常，平常，惯常地，一直，向来，动不动，一般，素；

例句
In Europe, AC is usually generated at 50 Hz.
欧洲的交流电输出频率通常为50赫兹。

skewed

v. 歪曲( skew的过去式和过去分词 )，曲解，使不公允，影响…的准确性；

例句
The arithmetic of nuclear running costs has been skewed by the fall in the cost of other fuels...
核运营成本的计算由于其他燃料的降价而出现了偏差。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

diaphragms

n. （机器等的）隔膜( diaphragm的名词复数 )，<解>膈，<物>光圈，（电话机、扬声器等的）膜片；

例句
With the X - frames projecting into the boxes, the transverse diaphragms were formed.
把这些 X 框架放进这些箱体, 就成了横隔梁.

placed

放置；

例句
Miss Parrish recently placed an advertisement in the local newspaper.
帕里什小姐最近在本埠报纸上登了一则广告。

perpendicular

adj. 垂直的，成直角的，直立的，险陡的，[建]垂直式的，〈谑〉直站着的；n. 垂直线，垂直面，直立，直立姿势，廉直，垂直测器，锤规，[建]垂直式建筑，绝壁；

例句
We made two slits for the eyes and a perpendicular line for the nose...
我们划了两道缝儿做眼睛,另外划了一条竖线做鼻子。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

longitudinal

adj. 经度的，纵向的，纵的，纵观的；

例句
On longitudinal it is the permeability variation in a big way, and the aerosphere scope small.
纵向上具有渗透率变化大 、 气层范围小的特点.

girders

n. 大梁( girder的名词复数 )；

例句
All girders shipped by rail were arranged on a flatbed rail car.
由火车装运的所有主梁都安放在平板火车车皮上.