它还具有优良的耐点蚀和应力腐蚀开裂.It also has an excellent resistance to pitting and to stress - corrosion cracking.LF21M除点蚀 、 缝隙腐蚀外还发生层间腐蚀.Pitting, crevice corrosion and layer corrosion occurred on 180 YS and LF 21 M.该合金的剥蚀是从点蚀发展到晶间腐蚀,...
石膏与岩盐则逐渐变薄或完全被溶解掉.Gypsum and halite are simply thinned or removed altogether.例如松弛, 上唇出现唇纹, 嘴唇变薄.For example, relaxation, upper lip appeared lip wrinkles, thinning lips.我们如何能有效地抑制臭氧层的变薄?What can we do to effectively curb ...