upstroke hydraulic press
1Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …
2Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …
3muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …
