用“Q420E”造句大全,Q420E造句 國語站 造句 1.02W 大中小設定文字大小 1、In this paper the Submerged Arc Welding procedures for Q420E butt joint of Songhua River Stayed-cable Bridge were investigated.2、結果表明,透過奧氏體未再結晶區變形量的調整,鋼板強度可以達到Q390E和Q420E級別。 TAG標籤:Q420E 造句 #