stiffenv.使 ... 坚硬;变为浓粘;使坚定;使强硬
stiffened lard硬质猪油
stiffened skin加强蒙皮
Stiffen girder加劲梁
stiffened webs加劲肋
stiffened edge加强边
stiffener angle加劲角钢,加筋角钢
stiffening pile劲性桩
stiffened plate[化] 加劲板
stiffened panel加筋板
stiffening ring加劲环,补强圈