dear customers, please do take good care of your own valuables, such as the mobile phone, cash, camera, etc. we hold no responsibilities to any lost or what-so-ever of your property within the prim**e...
engineering 工程学 engineering science 工程学 technology 工程学 1. 我的专业是化学工程学。 my major ** the subject of chemical engineering. 2. 那座桥是工程学上的一个奇迹。 that bridge was a miracle of engineering. 3. 在汽车开发中,人类工程学重要吗? *...