求管件类型英语翻译快Now, I am looking for carbon steel: HR CR GA GI EG
求管件类型英语翻译快Now, I am looking for carbon steel: HR CR GA GI EG
"Secondary steel GI,EG, CR, HR. HDG, PPGI, CRNGO, steel shee
英语翻译I want to use Butt- welding for carbon steel,stainless s
HR and CR stainless steel coils 是什么
I am looking for a pen. 英语翻译
急求管件技术英语翻译For all carbon steel and Alloy steel fittings with
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GI STEEL COIL 和 PO STEEL COIL 和EG STEEL COIL
carbon steel
英语翻译The impedance plot for N80 carbon steel in 3% NaClsoluti
Now I am looking for someone who is compatible with me,someo