vent rod

用法例句

Combined with daily work,it discusses regular preservation necessity of communication tower and communication pole,and also proposes suggestions and settlements to ensure security and quality of mobile communication,in order to improve competition strength.

结合工作实际,论述了对通信铁塔、通信杆进行定期维护的必要,并提出了一些建议及解决方法,以保证移动通信安全和通信质量,从而提高移动通信市场的竞争力。

Wanding of the Flow Baffle Plate(FBP) of Steam Generator

蒸汽发生器流量分配板(FBP)通杆测试

When a force is applied through the control rod to the control lever, the latter rotates through some angle θ.

当力通过操纵连杆作用于操纵杠杆时，操纵杠杆将转动一角度θ。

In all designs, the valve stem normally serves as a piston rod with disc fastened directly to them.

在所有结构中，阀杆通常作为活塞杆，阀瓣直接固定在阀杆上。

General technique conditions of insulating poles for live working

GB13398-1992带电作业用绝缘杆通用技术条件

The bar directions are conveniently specified by direction cosines.

杆的方向通常用方向余弦来表示。

a wrench that has one jaw that can be adjusted by turning a screw.

有通过旋转螺杆来调节锯齿的扳手。

Design of Communication Tower Based on Finite Element Method and Its Stress Analysis;

通信铁塔有限元设计及杆件应力分析

Application of PLC's Communication in Stage Suspender Control System

PLC通信在舞台吊杆控制系统中的应用

DNA Vaccine of Bacterium Proteus vulgaris TWN3 Strain

普通变形杆菌TWN3株DNA疫苗的初步研究

The disc is stem guided on all sizes.

所有通径阀门的这种阀瓣是通过阀杆引导的。

These booms are to stop the traffic for passing trains.

这些吊杆是用来为过路火车通过而拦住交通的。

A rod moved by a cam to operate the valves in an internal-combustion engine.

阀门挺杆通过凸轮转动的杆，用来操纵内燃机的阀门

One of the upright, usually rounded or vase-shaped supports of a balustrade.

栏杆柱一种直立的，通常为圆形或花瓶形的栏杆支撑物

"baluster:One of the upright, usually rounded or vase-shaped supports of a balustrade."

栏杆柱:一种直立的,通常为圆形或花瓶形的栏杆支撑物。

A small piece of wood placed at the top of a mast or flagpole, usually having holes through which halyards can be passed.

桅（旗）杆帽放在桅杆或旗杆顶端的一小木片，通常带有小孔，可让旗绳或扬帆绳穿过

"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。

Remove stem nuts (22). Keep stem from turning by inserting screw driver in slot on end of stem.

拆卸阀杆螺母(22)。通过在阀杆末端的槽内插入螺丝刀来避免阀杆旋转。

Push type: solenoid, when energized, doing work through pushing away pushing rod joined object.

推出型电磁铁:当给电磁铁通电时,他通过推出顶杆(和顶杆带动的部件)工作.