他将形势描述得非常危险，并号召采取果断行动。He described the situation as very dangerous and called for resolute action.我工作非常有效率，处事果断，而且判断准确。I work very efficiently and am decisive, and accurate in my judgement.投票者认为他是一位坚定果断的国际领导人。Voters perc...
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,...