步进式

The reasons of damage and preventive measures of the post of support;2. Two methods for calculating the post of water beam in walking beam furnace are introduced,and the data from the two methods are compared.

文章介绍了步进梁式加热炉水梁支承立柱的两种计算方法，并对两种方法的计算结果进行了比较，对正确选择立柱断面具有指导意义。

Ing kiln and introduces the structural features, technical parameters and specification of 1750 ℃ high temperature walking beam type electric tunnel kiln.

提出了一种超高温新型连续烧成窑，详细介绍了1750℃步进梁式超高温隧道电窑结构特点、技术参数、制造使用技术条件。

Several projects were proposed in allusion to the problems which were reflected in the old walking beam heating-furnace hydraulic system in Si-steel mill, and the best of which were confirmed according to the principles proposed by workers in the mill.

文中针对武钢热轧厂硅钢步进梁式加热炉液压系统存在的问题提出了几种改造方案，并根据工厂提出的改造原则确定了最佳改造方案。

We have developed and applied twofold combustion control system L1 and L2 in two 265t/h walking beam reheating furnace in PanGang hot strip mill.

本课题研究在攀钢1450热轧板厂两座265T/h的步进梁式加热炉上开发应用L1、L2两级燃烧控制系统。

Rolling mill plant of Bar Steel Plant of Baosteel Company instead build a new walking beam furnace for the heating of conticasting bloom.

宝钢分公司条钢厂轧钢分厂新建一座用于加热连铸大方坯的步进梁式加热炉。

A catadioptric step zoom lens for remote supervision TV is designed.

设计了一个用于远距离监视电视的折反射式步进变焦距透镜。

The disadvantages that the secondary spectrum of reimaging catadioptric step zoom lens can not be corrected are overcome. Moreover, the black spots generated in image plane center are avoided and the structure is simple.

克服了二次成像折反射式步进变焦方式二级光谱不能校正的缺陷，并且杜绝了像面中心产生黑斑的可能，结构也比较简单。

Mainly include to roll the ball screw shaft nut and the calculation choice of reaction stepping motor and the establishment of lengthways, horizontal organization assemble diagram project.

主要包括对滚珠丝杠螺母副及反应式步进电机的计算选择及纵向、横向机构装配图方案的制定。

At last, the problems are resolved by taper-cone instead of cone logic valve .

介绍了插装阀在步进梁式加热炉液压系统中的应用；分析了系统逻辑锥阀的故障原因，在把逻辑锥阀由单锥面改为双锥面后，系统故障消除了。

Abrasive paper;Abrasive sheets;Abrasives;Belt grinders;Burnishers;Burnishing tools;Cam;Definition;Definitions;Equipment safety;Grinding;Grinding machines;Grinding tools;Hand tools;Hazards;Hydraulic fluids;Machines;Manual;Manual operation;Manually operated machines;Marking;Non-electrical;Operating instructions;Pedestrian-controlled systems;Polishing;Polishing machines;Polishing wheels;Portable machines;Powered;Safety;Safety engineering;Safety requirements;Specification;Symbols;Testing;Tools;Vibrating grinders;Warning notices;Warnings

中文主题词砂纸；研磨片；研磨剂；带式研磨机；摩擦抛光机；摩擦抛光工具；凸轮；定义；设备安全；磨削；磨床；磨削工具；手动工具；危害；液压液；机械；手工的；手控；手动机械；作标记；非电子的；操作说明书；步进控制系统；抛光；抛光机；抛光轮；便携机械；机动；安全；安全工程；安全要求；规范；符号；试验；工具；振动研磨机；警告标志；警告

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。