[作业 运输] 负荷、油轮上卸载设备 oil tankers: 油船; 油轮loading and unloading: 搬运装卸; 装卸工作; 装载hazardous area of oil tankers: 油轮危险区域unloading equipment: 卸载设备oil unloading: 卸油下载手机词典可随时随地查词查翻译