EN ISO 287-1 Qualification Test of Welders-Fusion Welding-Part 1: steels.
ENISO 287-1焊工资质测试—熔焊—第一部分：钢材。
However, it's very demanding on the skill of welders with poor working condition and low efficiency.
但对焊工的操作技术要求高；劳动条件差，生产率低。
Make available qualification tests of welders and qualification records of the NDE personnel to the Engineer upon request.
对焊工进行有效的资质测试，并且满足NDE对工程师个人要求的技术合格证书。
During the welding process with a group of welders, to ensure that each welder works with adequate welding current is critical to welding quality.
群控系统通过模糊算法对焊机进行最优化通电管制以保证每台焊机都能获得足够的焊接电流，从而达到保证焊接质量的目的。
The effects of welders in the electromagnetic environment on health and safety are the common interesting point both in industrial and academic circles.
焊接环境下电磁场对操作人员健康及安全的影响是近年来国内外工业界与学术界共同关注的热点。
This paper introduces briefly the career dangers in welding, such as burning, noise, electric shocks, fume and gases, which will damage the health of welders.
简要介绍了焊接操作中存在的多种职业危害，如灼伤、噪声、电击、烟尘和废气、辐射等，严重损害工人的身体健康。
This article mainly introduces the application of vertical down welds technique and operation technology in the course of welders' training and in the site of natural gas pipeline.
主要介绍了手工下向焊工艺及操作技术在焊工培训过程和天然气输气管道施工现场的应用。
In Comparison with other types of welders, there are many advantages in this DC-Welder. The paper presents the principle, features, main technical parameters, testing results and its applications.
与其他类型焊机相比较，本焊机具有许多优点。本文介绍该焊机的工作原理、特点、主要技术参数、测试结果与应用。
And many of the less specialized workers — machine tool operators and welders — were easily retrained to work in civilian plants.
许多不专业的工人——机床操作员及焊工——很容易再培训后在民用工厂上岗。
Welders worked on the pavement, sending sparks flying in all directions, but there was not a pair of safety goggles in sight.
人行道上有电焊工在工作，火化四溅，但是我没有看见有人戴安全眼镜。
The welders engaged in the welding shall be fully qualified and holding welding certificates from the classification society for the type of welding carried out.
从事的焊接的焊工应该有充分的资格和持有给焊接发证的船级社的证书。
Objective To investigate the status of health in the welders.
目的调查电焊工人的职业健康状况。
This article analyzes the structure and function of arc stud welders and the common problems and gives the ways to work out these problems.
结合具体产品，对电弧螺柱焊机电路的组成和功能进行了分析，提供了常见故障原因及排除方法。
Welders should be trained according to prescribe by the state authority, and mastering proper techniques of welding, only with special type of certificates then can be allowed to work formally.
焊工必须按国家有关规定经专门的安全作业培训，掌握焊割安全技术，取得特种作业资格证书后，方可上岗操作。
August 25, the new relay in coal mining workers, welders and other trades of 89 9 staff participated in the 2010 National Occupational Skills exams.
8月25日，新驿矿采煤工、电焊工等9个工种的89名职工参加了2010年国家职业技能鉴定考试。
Third: Inverter-based welders let operators adjust the welding output frequency, from 20 to 250 Hz in the case of the Dynasty.
第三：逆变型焊接焊工让操作调节输出频率，从20到250赫兹的情况王朝。
Objective to explore the risk factors of chronic pharyngitis (CP) in welders so as to provide basis for formulating strategy of cure.
目的探讨电焊工慢性咽炎的危险因素，为制定防治对策提供依据。
General note: the "thickness of weld metal" is the total weld metal thickness deposited by all welders and all processes in the test coupon exclusive of the weld reinforcement.
一般笔记：焊接金属的“厚度”是所有焊工和在测试优惠券的所有过程放置的总焊接金属厚度专属焊接增强。
We integrate the switch gear cabinet part and rectifier part besides the functions of switch cabinet this design also has rectifying control functions on solid-state H. F. welders.
将开关柜与整流部分实现一体化设计，除完成开关柜功能外，还具有固态高频焊机的整流控制功能。
The article was illustrated to make welders understand the general knowledge of plasma cutting and improve the performance of cutting.
采用图文并茂的形式力求最大限度的帮助焊工理解等离子切割的常识，提高切割效果。
I fixed many kinds of machine tools such as milling machines, grinders, welders, etc.
我修理过很多种机器设备。比如，铣床、磨床、焊机等等。
I am, electric welders engaged in manual arc welding and carbon dioxide welding work, through these years of electric welding work my technology …
我是电焊工，从事手工电弧焊和二氧化碳气体保护焊工作，通过…
In order to meet the requirements of various types of stainless steel soup pails, it needs to reform the common spot welders.
为适应多种规格不锈钢汤桶焊接工艺的需要，将普通工频点焊机进行了适应性改造。
The article was illustrated to make welders understand the general knowledge of plasma cutting and improve the perfo…
最大限度地帮助焊工理解等离子切割常识，提高切割效果。
Manufacturer of a wide range of air compressors, gen-sets, water pumps, welders, power tools, hand tools, electric motors, garage equipment, power washers, woodworking and metal working equipment.
生产各种空气压缩机，发电机组，水泵，电焊机，动力工具，手动工具，电动机，汽车库维修设备，机动清洗机，木工和金属制作设备。
Construction companies, salvage firms, boilermakers, and many other kinds of businesses require the skills of certified welders.
建筑公司、打捞公司、锅炉制造厂以及许多各种其他公司都要求有技术的合格焊接师。
Time sharing control system of spot welders based on PLC is developed.
研制基于PLC的点焊机分时控制系统。
We specialized in producing series of piston and screw air compressors, The AC welders, ventilating fans, electric motors, cutting machines, and purify machines etc.
公司专业生产活塞式、螺杆式系列空压机、交流系列电焊机、工业排气扇、电动机、型材切割机、空气净化器等系列产品。
Possession of a welders test certificate of "The Welder's Qualification Test Committee of China Aero-Space Industry" or an approved and international recognized standard. ;
拥有航空航天焊技术考核委员会的焊工技术合格证书，或国际认可的焊接资格证书或同等级的证书；
Possession of a welders test certificate of "The Welder's Qualification Test Committee of China Aero-Space Industry" or an approved and international recognized standard. ;
拥有航空航天焊技术考核委员会的焊工技术合格证书，或国际认可的焊接资格证书或同等级的证书；
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