Gigantic presses powered by steam (and later, electric power) could crank out books and newspapers and advertisements that strained the always-fickle paper supply.
巨型蒸汽(随后的电力)印刷机大批量地生产出书籍、报刊和广告,供应趋于稳定。
2
The utility model relates to the structural improvement of the crankshaft of brick presses and particularly to that at the crank of crankshaft.
本实用新型涉及一种压砖机曲轴的结构改进,尤其是曲轴的曲柄 处的结构改进。
3
The variable speed systems now used in crankpresses have problems such as narrow in variable speed, fault in low speed and failure in tiny adjustment and so on.