super-duplex stainless steel grades 如何翻译?

Super Duplex 是什么材料? stainless steel back steel silver如何翻译 stainless steel手表质量好吗 stainless steel pipe(H-D12) water resistant stainless steel back all+stainless+steel+S是什么意思 英语翻译翻译出来我另加分,急的(to be advise) Stainless Steel Divot Repair w 英语翻译求翻译上面小字英文的意思,图插不上,STAINLESS STEEL CASEBACK WATER PROOF 手 英语翻译请帮忙翻译一下中文说的是什么?STAINLESS STEEL WIRE ROPE CLIPS AMERICAN duplex 英语翻译Stainless steel watchbodyBack of the watch in stainless