In a tanker the cargo tanks are washed out during ballast passages and freed of gas.
问题描述：
In a tanker the cargo tanks are washed out during ballast passages and freed of gas.
航海英语中的句子
看不懂
我试过了 驴唇不对马嘴
答
对于一艘油轮而言,在空载航程过程中,油舱要彻底清洁并除气.
tanker 指滑轮
cargo tank 指装油的罐舱
ballast passage 指卸货后空船返程
gas freeing 指罐舱除气