The welder carefully welds the steel beams together on the construction site.

焊工在建筑工地上仔细焊接钢梁。

Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，熔透深，熔池均匀，焊缝成形良好。

Channel companies welding stainless steel processing various models, ranging from heterotypic edge angle.I-H-plasma processing.

公司焊接加工各种型号不锈钢钢，不等边异型角钢，工字钢，H型等离子加工等。

We were welded into a fighting collective.

我们结成一个战斗集体。

The equipment is welded by thicken material .Break rigid material ia hight efficiency ,indeformable ,little moise .The dynamic nose of tool is knocked-down .It is easy to rubbing when it is dull.

该机采用加厚材料焊接而成，对硬料破碎效率高，不变形、噪音小，动力刀片草用可卸式刀片，用钝后可上下，方便磨刀。

Each frame to doors fitted with a mortice lock is to be slotted for bolt, correctly positioned and to have a mortice cap welded on at back of perforation.

为匹配安装暗锁的门，每个框要为锁舌开，在其后打孔，在内焊接榫帽，使其正确就位。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当焊缝区域底片度变化超透度计处度时，应在该处另加透度计。

13958681890 This ship shall be of all steel welded construction with one continuous deck, bulbous stern, bulbous bow, single propeller, single rudder, forecastle, poop, and of stern-engined type.

船型及用途SHIPFORM AND PURPOSE 本船为钢质全焊接结构、单甲板、尾机型、，单桨、单，油机驱动螺旋桨推进的散货船，具有球尾和球鼻首线型。

Welds makes up in the process the substrate not to give off heat, not to distort, the unstressing, does not have the hard spot and the annealing situation.

世界第一台铸造缺陷修补机的研制成功，给铸造缺陷修复带来了一次彻底革命！焊补程中基体不发热、不变形、无应力、无硬点及退火情况。

Online Flattener is main equipment of welded pipe unit,the property of Flattener is very important to ensure production of welded pipe with larger wall thickness going well.

焊管机组在线矫平机是焊管生产线的主要设备之一,为了确保高强度、大直径、厚壁焊管生产的顺利进行,矫平机的性能十分重要。

Rapid application of an axial force completes the upset welds.The localized heating is in high current, low voltage pulses for which a homopolar welding generator is utilized.

Electric resistance welding provides localized heating for simultaneous upset welding of the copper bars and copper end rings of an electric motor cage rotor assembly.

Now our company is majoring in nuts series: rivet nuts, blind rivet, insert nuts,nylon locknuts, welded nuts, flange nuts and other kinds of auto standard parts.

上海锐拓五金现在主营紧固件系列中的螺母类产品： 铆螺母，尼龙锁紧螺母，焊接螺母，法兰螺母，以及各类汽车标准件。

Abstract In this paper,the hardening and tempering treatment as well as the mechanical properties has been studied after the superstrength steel D6AC welded with another steel.

研究了D6AC超高强度钢与异种钢材焊后调质处理及力学性能。

Air hole, burnthrough, cooapse and welding crackle occurred in the fixed overhead weld for aluminium and aluminium alloy tubes, above all the small-size thin wall tube.

针对铝及铝合金管,特别是小口径薄壁管固定口仰焊部位易出现气孔、烧穿、塌陷及焊接热裂纹等问题,分析问题存在的原因,从焊接工艺方面入手,提出一套消除气孔及烧穿的操作手法。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体从该孔缓慢漏出。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

本文计算石墨型熔渣碱度,研究了钢芯同质铸铁焊条熔渣的碱度与熔渣微观结构和焊缝组织的关系。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍了一种焊缝X光图象自动识别跟踪系统。该系统用于焊缝的射线检测。从硬件和软件两个方面描述了系统的工作原理。

A test of arrosion performance of anticorrocive built-up weld layer in different meeiums was con-ducted by using a self-made arrosion testing machine.

用自制的腐蚀磨损试验机对耐蚀堆焊层在不同介质中的腐蚀磨损性能进行了试验，结果表明：腐蚀介质不同，堆焊层的磨损速率也不同。

Weldbonding experiments were performed and the results show that weldbonding technique can improve the strength and fatigue life of the weld joint.

同时参考分析结果进行粘接点焊的试验研究，表明粘接点焊可以显著提高结构的强度和疲劳寿命。