The invention is mainly applied to the austenitic stainless steel welding in the fields of petroleum, chemical industry, metallurgy, machinery and navalconstruction.
本发 明主要用于石油、化工、冶金、机械、造船等领域的奥氏体不锈钢焊接。
2
THE construction of aircraft carriers is a symbol of a country's naval strength.
（能否）建造航空母舰是一个国家海军实力的一大象征。
3
The Engineer is a multi-purpose construction, repair, capture and reclamation unit. It is amphibious and can skim across the water's surface to construct naval facilities.