1) STT root welding
STT根焊
1.
Application of STT root welding in the second WEPP(West-East Pipeline Project)
STT根焊在西气东输二线管道焊接工程中的应用
2) STT semiautomatic root welding
半自动STT根焊
1.
This paper mainly discusses the technical characteristic of some important root welding technology, such as STT semiautomatic root welding, inner automatic root welding and external automatic root welding.
文章主要论述了长输管道根焊中的纤维素焊条手工根焊、半自动STT根焊、自动内焊机根焊和自动外焊机根焊等先进根焊技术的工艺特点和应用前景。
3) STT type CO2 welding
STT型CO2焊
4) STT welding power supply
STT焊接电源
5) STT welding technology
STT焊接技术
1.
In the light of the construction environment of Russian East Siberia-Pacific Oil Pipeline which passes through high-latitude and severe cold areas,the paper introduces in detail the process characteristics of STT welding technology,describes emphatically the regulation way for welding parameters.
针对俄罗斯东西伯利亚-远东太平洋管道通过高纬度、严寒地区的特点,详细介绍了管道STT焊接技术的工艺特点,重点阐述了焊接参数的调节方式,通过试验并结合现场实践经验,得出了适合低温环境下STT根焊的工艺参数。
6) surface tension transfer welding (STT)
STT表面涨力焊
补充资料：ST
分子式C9H9N3O2S2，分子量259.19。简名ST，商品名消治龙。白色晶体或结晶粉末。在空气中稳定，遇光变色。熔点200～204℃。难溶于水，溶于丙酮、稀盐酸、氨水和碱溶液。主要用于治溶血性链球菌、脑膜炎球菌、肺炎球菌等感染性疾病。可由2-氨基噻唑与氯化对硝基苯磺酰缩合，再经还原而制得。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条