Dayton International Ltd.- Aerial work platform, underbridge work platform, boom, scissor, vertical lift, scaffold, material lift, ladder, fibreglass ladder, safety belt.
高空工
、
底工
车、臂式

、剪刀式

、
直

、工
架、物料
机、铝梯、纤维梯。
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In 1921, while working for the General Motors Research Corporation in Dayton, Ohio, he investigated a compound called tetraethyl lead (also known, confusingly, as lead tetraethyl), and discovered that it significantly reduced the juddering condition known as engine knock.
1921年,他
位于俄亥俄州

通用汽车研究公司工作期间,对一种名叫四乙铅
化合物作了研究,发现它能大大减少震动现象,即所谓
发动机爆震。
周刊 (Time)