常見(jiàn)例句雙語(yǔ)例句Marine bio-invasions are caused by the transfer of alien plants and animals in ships’ ballast tanks.海洋生物入侵是由船舶壓載艙中外來(lái)植物和動(dòng)物的轉(zhuǎn)移造成的。So, Cohen explains, ships fill massive onboard ballast tanks by pumping seawater in at one port and pumping it out at the next.所以,Cohen解釋道,輪船需要在一個(gè)港口把海水泵進(jìn)巨大的壓艙水柜,然后在下一個(gè)港口再泵出去。For underwater hull ballast tanks and other steel structures in severe marine corrosive environment.特別推薦用于船舷水下部位、壓載艙以及其他適用于嚴(yán)重海洋腐蝕環(huán)境下的鋼結(jié)構(gòu)。權(quán)威例句The crew reports no loss of steering or propulsion and that initial investigations shows no water leaks from any of the ballast tanks.FORBES: Oil Tanker Damaged In Bay Bridge Collision 返回 ballast tank