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。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。

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.

当焊缝区域底片黑度变化超过透度处黑度时，应在该处另加透度。

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，氢现象严重。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在上平台组块吊点造中，焊缝收缩往往导致主吊点板和立柱管壁出现层间裂缝。

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、贯穿管子整个壁厚细孔，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.

本文通过算石墨型熔渣碱度,研究了钢芯同质铸铁焊条熔渣碱度与熔渣微观结构和焊缝组织关系。

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。该系统用于焊缝射线检测。从硬件和软件两个方面描述了系统工作原理。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对焊缝金相显微结构分析,结合算机图形处理软件算出焊缝烧结密度。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧焊机器人焊缝图象识别中起到很好效果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预厚钢板焊缝断裂韧度试样疲劳裂纹“高K比法”。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为了满足生产需要对椭圆封头拼接焊缝射线探伤工艺进行改进,并取得了满意效果。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在热电偶标定测试基础上，通过实验获得了焊缝热影响区实际热循环曲线。