bottom chord bar是什么意思

网络释义

用法例句

The influence of crane load to the internal force of bottom chord bar of trapezoid steel roof truss;

吊车荷载对梯形钢屋架下弦杆内力的影响

There were little data on the buckling behaviors of truss compression chord with some panels and non-hinge joints before.

本文从桁架上弦杆的稳定相关入手,同时考虑节点刚度的影响,以结构优化设计为目的,对桁架的受力性能进行了较全面的深入的研究、探讨。

This paper introduces the manufacturing processes of two main components: the chord member with integral joints and the anchorage boxes.

针对芜湖长江大桥钢梁的工程特点 ,介绍了钢梁中的两种主要杆件———整体节点弦杆和锚箱的制造工艺 ,重点阐述了弦杆的制孔工艺和锚箱焊接变形的控制技术 ,并简要归纳了在钢梁制造中采用的几项新技术和新工

Institute on The Hole Drill Technique of Bottom Chord Bar of Zhengzhou Yellow River Bridge

郑州黄河桥边桁下弦杆制孔工艺研究

lower and bring partially inboard, as of a mast on a sailboat.

降低并且停下弦内部分，例如帆船的桅杆。

The Dynamic Analysis of Cooperative Grids Composed of Prestressed Cables and Pole Members;

上下弦为预应力索的索杆协同网架动力分析

Study and Application for Steel Tension Rod of Double Box-beams Rod Structure;

双箱梁下弦钢拉杆施工技术研究与应用

The Statics Calculation and Applicability Analysis of Cooperative Grids Composed of Prestressed Cables and Pole Members

上、下弦为预应力拉索的索-杆协同网架静力计算与可靠性分析

The crack eventually caused the chord to fracture.

裂纹最终致使弦杆断裂。

To remove from a string.

取下弦把…从一根弦（或线）上取下

nuts of an anchor

有杆锚杆孔上下的杆箍

guitar mechanism (i.e., pegs and worm-and tooth wheels)

吉他的装置（即弦轴和蜗杆与齿式轮）

mandolin mechanism (i.e., pegs and worm and tooth wheels)

曼多林琴装置（即弦轴和蜗杆与齿式轮）

The bar directions are conveniently specified by direction cosines.

杆的方向通常用方向余弦来表示。

Force Analysis of Chord Bolts of Type-321 Assembled Steel Bridge

“321”装配式公路钢桥弦杆螺栓受力分析

"The horizontal pieces forming the top and bottom of the truss are called the chords, and the sloping and vertical pieces connecting the chords are collectively called the web."

顶端和底部水平面上的桁架通常被称为弦杆,而斜面或垂直方向上连接弦杆的则被称为腹杆。

" I demonstrated a few chords.

”我演示着弹了几下琴弦。

Experimental study on cast steel joints of beam-string structures in Pudong International Airport Terminal 2

浦东国际机场T2航站楼张弦梁弦-杆连接节点试验研究

a less than average tide occurring at the first and third quarters of the moon.

发生在上弦月和下弦月的涨落最小的潮。

"They all have a string-bearing neck that projects through a small resonator and a bow, the hair of which passed between the two strings."

这些胡琴都有琴杆，上有琴弦，琴杆从一小共鸣箱及弓中伸出，弓毛穿过两弦之间。

a system of levers that moves a felt hammer to strike the strings when a key is depressed.

当击键盘时移动小锤敲击琴弦的杠杆系统。