英文不锈钢管的规格表里的一些字“CLA”,"DEF","PUMA5","REV" "SAW" "P.L." "Len.mm" "U.m","Rev","Sch.mm"都是缩写吗?求详细且准确翻译~

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英文不锈钢管的规格表里的一些字“CLA”,"DEF","PUMA5","REV""SAW""P.L.""Len.mm""U.m","Rev","Sch.mm"都是缩写吗?求详细且准确翻译~英文不锈钢管

英文不锈钢管的规格表里的一些字“CLA”,"DEF","PUMA5","REV" "SAW" "P.L." "Len.mm" "U.m","Rev","Sch.mm"都是缩写吗?求详细且准确翻译~
英文不锈钢管的规格表里的一些字
“CLA”,"DEF","PUMA5","REV" "SAW" "P.L." "Len.mm" "U.m","Rev","Sch.mm"
都是缩写吗?求详细且准确翻译~

英文不锈钢管的规格表里的一些字“CLA”,"DEF","PUMA5","REV" "SAW" "P.L." "Len.mm" "U.m","Rev","Sch.mm"都是缩写吗?求详细且准确翻译~
SAW:submerged arc welding 埋弧焊
Sch.mm:Schedule 壁厚等级 mm 毫米
Len.mm:Length 长度 mm 毫米
其他的就不知道了!