Seagon.西戈
sean.海;海洋
seawater softening海水软化
sea-going rescue海洋救助
sea buckthorn wine沙棘果酒
sea-land service水陆联运
sea weed corrosion海藻腐蚀
sea surface change海面变化
seaworthiness test远航性试验
sea water jet test海水喷射试验
sea water strainer海水输通器
sea field training海训