船用高強度雙相不銹鋼的性能特點
21世(shi)紀是海(hai)洋(yang)世(shi)界的時代,海(hai)洋(yang)占地(di)(di)球表面(mian)(mian)積的71%,而人類可以利用的陸地(di)(di)面(mian)(mian)積僅有(you)12%,200米水深之(zhi)內的大(da)陸架(jia)面(mian)(mian)積約占地(di)(di)球總面(mian)(mian)積的5%,相(xiang)當于(yu)(yu)陸地(di)(di)可利用面(mian)(mian)積的40%.由(you)于(yu)(yu)海(hai)洋(yang)中(zhong)蘊藏著巨大(da)的資源財(cai)富,因(yin)此海(hai)洋(yang)開(kai)發有(you)著極其廣闊的前景。海(hai)洋(yang)開(kai)發首(shou)先(xian)要面(mian)(mian)對惡劣的海(hai)洋(yang)環境,由(you)...