PROBLEM TO BE SOLVED: To provide an innovative working bench very excellent in practicality. ;SOLUTION: A working bench is attached to the footrest rung 1a of a ladder or stepladder, and legs 3 are pivotally attached to the rear of a rest 2. Connections 4 connected to the footrest rung...
两个所谓的外星人已经被科学家们起好了名字,一个叫克拉拉(Clara),另一个叫毛里西奥(Mauricio),显然是被区分为了一女一男。而通过CT扫描之后,团队还有了更加惊人的发现…… 克拉拉“曾是活着的,完好无损,是生物性的,并且处于妊娠期”!贝尼特斯博士通过CT成像声称,克拉拉的腹部存在着几个“肿块”,它们很可能是“蛋...
A damped double flywheel for a motor vehicle forms a modular unit with the associated clutch. The flywheel comprises a first rotating mass having a central hub and secured to the engine crankshaft by securing screws each having a head; a... C Bonfilio - US 被引量: 28发表: 1994年 Damped...
为解决钢-混凝土组合桥梁的桥面板传统浇筑方法施工带来的不足,现依托深圳市东部过境高速公路翠宝路高架特大桥项目,创新性地提出一种新型钢-混凝土组合箱梁桥面板,并提... 刘雪峰,李东 - 《城市道桥与防洪》 被引量: 0发表: 2021年 装配式钢桁-混凝土组合梁桥面板裂缝宽度计算方法研究 本文依托导师周志祥教授课题组...