The manipulators structure , operation principle and hydropneumatic system are described systematically in the paper.介绍一种两自由度液压驱动式上料机械手,包括其机构设计 、 工作原理及液压气动系统.The manipulated do not understand them; the manipulators fear ...
Most of the alpha particles would go right through the foil.大多数α粒子总是笔直地穿过簿箔.The male jocks assert their alpha dominance by showing off their accomplishments.男孩子们靠炫耀自己的成就来表现他们最重要的优势.Metabolic diseases such as Wilson'...