NIB-SEAL on sweat ball valves are shipped unassembled.

在球阀上，NIB-SEAL在装运时处于未装状态。

Leister Technologies Ltd., is solely invested by LEISTER Process Technologies from Switzerland.

莱丹塑料技术（上海）有限公司是瑞士莱丹公司投资的全资子公司。

The lead content gives terneplate a dull appearance, a noncorrosive surface, and solderability.

铅的融入使镀铅锡钢板具有暗淡的外观、抗腐性的表面和性。

It has vanguard technology of friction welding and chroming and so on.

具磨擦和镀铬等先进生产工艺。

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

公司加工各种型号不锈钢槽钢，不等边异型角钢，工字钢，H型等离子加工等。

The metal plates used in making ships used to be riveted together, but now they are usually welded.

造船中使用的金属板过去使用铆, 现在则常用。

The welding is so smooth that you can hardly see where the sections of pipe are joined together.

这管子得很光滑,你很看出什么地方是的。

Has current preplacement, preview and arc starting current, arc force current regulation function, it makes welding operation easier.

具有电流预置预显和引弧电流、推力电流调节功能，使操作更容易。

Adopts Panasonic programmable order manipulator ( PLC) And Japan mi ya ji adverseness change weld control power supply.

采用松下编程序控制器（PLC）和日本米亚基逆变控制电源。

The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.

研究了乙烯裂解炉服役炉管材料内部的伤程度与性的关系。

This article introduced field assembly of large-scale towers adopting jack,the welding of the shell,heat treating and hydrostatical test.

介绍了大型塔器现场采用千斤顶进行对、、热处理、水压试验,同时对如何解决塔段出现椭圆变形超标的问题进行阐述。

He welded the broken rod.

他一根断了的杆子。

7 Permanent weld backing bars, consumable inserts and nonconsumable insert rings are not permitted without prior written approval from SECCO.

事先没有赛科公司的书面批准，不允许有永久的支撑杆、熔化性嵌条和不熔嵌环。

The qualification of such a test is only valid for the process sequence carried out during the multiprocess procedure test.

对这样一个试验的鉴定仅对多种工艺试验时所进行的过程顺序有效。

The toughness may be well improved by postheat treatment which is large in energy consumption and long in working period.

后热处理以较好地改善头的韧性，但存在耗能大、工时长等问题。

The UN250 butt-welding machine adopts manual flash prewarming, hydraulic pressure upset mode, is suitable to weld large diameter and section weldment.

UN250对机采用手动闪光预热、液压顶锻的方式，适合大直径大截面的件。

To the following surface treatment: sand blasting, oxidation, corrosion, laser carving, wholesale, laser welding, polishing, lampworking, PVD vacuum electroplating, oil-filled fonts.

能进行以下表面处理: 喷砂,氧化,腐蚀,镭雕,批发,激光,抛光,拉丝,PVD真空电镀,字体填油.

Double-frequency cipher can solve the problem of multimachine mutual interference fairly good by handling the remote control and autocorrection of welding current.

采用“双频密码”方式解决电流的远程调节及自动修正，较好地处理了多机相互干扰问题。

The paper discusses the WB36 steel's wedding craft feature,forewarm,wedding,heat treatment etc,and prosecutes all kinds performance test to wedding joint,then gains favorable results.

文章对WB36钢的工艺特点、预热、、热处理等工艺规范进行了探讨,并对头进行了各项性能试验,取得了良好的效果。

The system uses PLC procedure control, start-up, forward or backward soldering gun, arc starting, workpiece circumgyration, etc full welding process all can complete automatically.

系统采用PLC程序控制，启动、进退枪、引弧、工件旋转等全过程均能自动完成。