principles of loading at last and discharging at first of dangerous goods
Related Translations:
危险: dangerous; perilous; risk; peril; danger 短语和例子发出危险信号 send out a danger signal; 冒生命危险 at the risk of one's life; peril one's life; 脱离危险 out of danger; 在危险中 in danger of; in the time of peri
卸: 动词1.(从运输工具上搬下来) remove cargo or freight; unload; discharge; unlade 短语和例子卸下船上的货物 discharge a ship of her cargo; unship a cargo2.(把加在人或牲口身上的东西取下) lay down; take away 短语和例子卸担子 lay down a burd