In sum, theory should be combined with practice.总之, 理论必须同实践相结合.Piano poet Frederic Francois Chopin combined them perfectly.钢琴诗人肖邦却将两者完美地结合在一起.They combined vigorous brushwork with decorative arrangements of form and colo...
The three basic types of antifriction bearings are ball bearings, roller bearings, needle bearings.减摩轴承基本上有滚珠轴承 、 滚柱轴承和滚针轴承三种.A sightseeing tour of the city is included to help you get your bearings...市区观光游也包含在内，帮助你熟悉一下这...
Plants generally absorb and translocate relatively small amounts of arsenic into aboveground parts.植物常常将少量的砷吸收和转移到地上部分.The specimen is installed inside the aboveground test section.地上试验段参试物安装在管内.Foliage and other abovegr...