短語詞組短語submarine geological structure chart 海底地質(zhì)構(gòu)造圖submarine pressure structure 潛艇耐壓結(jié)構(gòu)new submarine foundation structure 新型水下基礎(chǔ)結(jié)構(gòu)pressure structure of submarine 潛艇耐壓結(jié)構(gòu)structure of submarine 潛艇結(jié)構(gòu)structure of submarine DEM 海底DEM結(jié)構(gòu) 返回 submarine structure